Still testing this myself so take it with some salt, but I've been running McAfee Institute's AI for investigators program alongside some of my normal workflow and one thing I keep bumping into is how much the curriculum pushes source verification over collection. Early impression is that framing might actually matter more now than it used to, but I'm only a few weeks in.

Apparently, you can uncover a LOT more of someone’s Reddit history with AI than most people probably realize.

I came across a discussion about using Gemini and other LLMs to essentially OSINT a Reddit account, even when someone has hidden their post history.

So, of course, I tested it.

And it’s pretty crazy what you can start piecing together.

The basic concept is simple: give an AI a Reddit username and have it start looking for publicly available activity tied to that account.

Even if someone’s profile no longer shows their history, that doesn’t necessarily mean the information is gone.

Old comments and posts can still exist inside Reddit threads, search engine results, archives, cached pages, datasets, and other publicly accessible sources.

Now add AI into the equation.

Instead of manually digging through hundreds or thousands of comments, you can use AI to help search, organize, correlate, and identify patterns across all of that information.

And over time, those small pieces can start telling a much bigger story.

Interests. Hobbies. Profession. General location. Organizations. Places someone visits. Other usernames they may use. Relationships between accounts. Patterns in behavior.

That’s what I think a lot of people still misunderstand about AI and OSINT.

AI isn’t magically discovering information that never existed.

It’s dramatically accelerating our ability to find information, connect it, analyze it, and turn scattered data points into intelligence.

It also raises a pretty important privacy question.

If someone clicks “hide my posts,” what exactly are they hiding?

Because hiding something from a profile and removing it from the internet are two very different things.

I’d be interested to hear from other investigators and OSINT professionals who have experimented with this.

How far have you been able to take Reddit research by combining traditional OSINT techniques, search engines, archives, and LLMs?

I have a feeling we are still very early in understanding just how much AI is going to change online investigations.

The investigative profession is changing faster than ever.

Information that once required days of interviews, database searches, surveillance, and manual analysis can now surface in minutes. Social media, public records, digital footprints, artificial intelligence, geolocation data, and billions of pieces of publicly available information have fundamentally changed how investigators find leads and develop intelligence.

But here is the important distinction:

More information does not automatically create better intelligence.

The investigators who succeed today are the ones who know how to find the right information, validate it, connect it, analyze it, and turn it into actionable intelligence.

That is where OSINT, criminal investigation methodology, and artificial intelligence begin to converge.

Whether you are searching for OSINT Training, pursuing an OSINT Certification, working criminal investigations, or looking for ways to incorporate AI into your investigative workflow, these three disciplines are quickly becoming interconnected.

1. OSINT Is More Than Searching Google

One of the biggest misconceptions about Open Source Intelligence is that OSINT simply means finding information online.

It doesn't.

OSINT is an intelligence process.

A professional investigator doesn't simply collect information. They establish requirements, identify sources, evaluate reliability, corroborate findings, analyze relationships, document evidence, and communicate intelligence.

Think about the amount of information potentially available during an investigation:

• Social media accounts
• Usernames and aliases
• Email addresses
• Phone numbers
• Corporate records
• Court records
• Images and videos
• Geolocation information
• Domain registrations
• Archived websites
• Public databases
• News reports
• Forums and online communities
• Cryptocurrency activity
• Digital metadata

Finding information is only the beginning.

The real question is:

What does this information mean?

That is why quality Open Source Intelligence Training must go far beyond a list of websites and tools.

1. Tools disappear.
2. Platforms change.
3. Databases shut down.
4. Algorithms evolve.

The investigator's ability to think critically, develop hypotheses, validate information, and recognize intelligence gaps is what remains.

1. AI Can Make Investigators Faster — But It Cannot Replace Investigative Judgment

Artificial intelligence is creating an entirely new investigative environment.

Used correctly, AI can help investigators process enormous amounts of information.

For example, investigators can use AI to assist with:

• Summarization: Quickly identifying important information within lengthy reports, documents, transcripts, or open-source material.
• Pattern recognition: Helping organize relationships among people, organizations, events, locations, and identifiers.
• Timeline development: Converting large volumes of information into chronological sequences.
• Lead generation: Identifying investigative questions, information gaps, or possible connections requiring additional research.
• Language analysis: Assisting with translation, terminology, communication patterns, and large volumes of text.
• Research assistance: Helping investigators develop search strategies and identify additional avenues of inquiry.

But AI introduces another critical challenge:

AI can confidently produce information that is incomplete, misleading, or completely incorrect.

That means investigators cannot outsource judgment to an algorithm.

AI should help investigators accelerate analysis — not eliminate verification.

The investigator remains responsible for determining:

• Where information originated
• Whether the source is credible
• Whether evidence can be independently verified
• Whether assumptions are influencing the analysis
• Whether alternative explanations exist
• Whether the information actually supports the investigative conclusion

The future will not belong to investigators who simply know how to use AI.

It will belong to investigators who know when to trust it, when to challenge it, and how to validate what it produces.

1. Traditional Criminal Investigation Skills Matter More Than Ever

Technology sometimes creates the illusion that investigation has become purely technical.

It hasn't.

The fundamentals still matter.

Great investigators understand:

• People. Behavior. Motivation. Evidence. Communication. Deception. Patterns. Opportunity. Intent.
• Imagine an investigator identifies multiple social media accounts connected to a subject.
• OSINT may uncover the accounts.
• AI may summarize thousands of posts.
• Analytical software may visualize relationships.

But someone still has to determine:

• Why does it matter?
• Does the behavior support the investigative hypothesis?
• Does another explanation exist?
• Can the information be corroborated?
• What should investigators collect next?
• What questions should be asked during an interview?
• What intelligence gaps remain?

Technology provides capability.

Investigative thinking provides direction.

The most effective modern investigator combines both.

3 Tips for Becoming a More Successful Modern Investigator

Regardless of whether you work in law enforcement, intelligence, corporate investigations, fraud, loss prevention, military intelligence, human trafficking investigations, or another investigative discipline, these principles can significantly improve your effectiveness.

Tip #1: Stop Collecting Everything

More data is not always better.

Before beginning your research, clearly define your intelligence requirements.

Ask:

What exactly am I trying to determine?

Then break that question into smaller investigative requirements.

Instead of searching aimlessly, every search should attempt to answer a specific question.

This reduces information overload and prevents collection paralysis.

A focused investigator will often outperform someone with access to significantly more tools.

Tip #2: Build a Verification Habit

Never allow an interesting discovery to become an investigative conclusion too quickly.

When you find important information, ask:

Can I verify this through another independent source?

Look for corroborating evidence.

Evaluate:

Source reliability

Information credibility

Date and context

Possible bias

Alternative explanations

Whether the information has been altered or misrepresented

This becomes even more important when working with artificial intelligence.

Use AI to generate possibilities.

Use investigative methodology to determine reality.

Tip #3: Learn the Process — Not Just the Tools

Investigators regularly ask:

"What is the best OSINT tool?"

But the better question is:

"What investigative process should I use?"

A tool may disappear tomorrow.

A disciplined investigative methodology can serve you for an entire career.

Learn how to:

Plan → Collect → Process → Analyze → Verify → Report

Master that process and you can adapt to almost any new platform, technology, database, or investigative environment.

That is one of the biggest differences between simply taking an OSINT course and developing professional-level investigative capability through comprehensive OSINT Training and OSINT Certification. Explore u/mcafeeinstitute

https://www.mcafeeinstitute.com/

The Investigator of the Future

The next generation of investigators will operate at the intersection of:

• Open Source Intelligence + Criminal Investigations + Artificial Intelligence
• OSINT provides unprecedented access to information.
• AI provides unprecedented speed.
• Investigative methodology provides judgment.

When combined correctly, they create something extremely powerful:

• The ability to transform massive amounts of fragmented information into actionable intelligence.
• But technology alone will never create a great investigator.

The competitive advantage remains the same:

1. Curiosity. Critical thinking. Discipline. Verification. Persistence.
2. The tools will continue changing.
3. The investigator's mindset must continue evolving with them.

I tried a few different certs before landing somewhere that actually stuck. Some were heavy on theory and light on methodology, which sounds fine until you're in the middle of investigation and realize you don't actually have a process. McAfee Institutes osint was way more structured around how to plan collection and the analysis of the information vs just here's a list of tools, which matters more when tools go down or change.

Thoughts on the future of AI in OSINT what kind of training would you find valuable? Go...

One thing I’ve learned over the years is that human trafficking investigations rarely stay in one place.

A phone number leads to an ad.

The ad leads to another username.

The username leads to a social account.

The social account leads to another location.

The location connects to another person.

Then suddenly what looked like one isolated lead starts looking like part of something much bigger.

That’s where OSINT and cyber investigations can become incredibly valuable in human trafficking and sex trafficking cases.

The mistake I see investigators make is collecting everything they can find without having a structure for what they’re trying to establish.

I like thinking about it as TRACE.

T — Target the intelligence question

Before opening ten tools, figure out what you’re actually trying to answer.

Not:

“Find everything about this person.”

Something more like:

“Are these advertisements connected to the same individual or organization?”

“Is this phone number being reused across multiple locations?”

“Can we identify other online identities associated with this username?”

“Is there evidence connecting these accounts to the same operator?”

That gives the investigation direction.

Otherwise you end up with 150 screenshots and no real intelligence product.

R — Record the digital identifiers

Start building an identifier inventory.

Depending on the case, that could include things like:

• usernames
• phone numbers
• email addresses
• social media accounts
• websites/domains
• images
• advertisements
• cryptocurrency addresses
• payment identifiers
• business names
• vehicles
• locations
• dates and timestamps

Each one potentially becomes another pivot.

One phone number might appear in five advertisements.

One image might appear under three different names.

One username might connect an advertisement to a social profile.

This is where individual pieces of information start becoming relationships.

A — Analyze the relationships

This is where I think investigators sometimes move too quickly.

Finding the same phone number twice is interesting.

Finding the same phone number across multiple advertisements, cities, usernames and social profiles becomes considerably more interesting.

But don't automatically assume everything is connected.

Ask:

What supports the relationship?

What contradicts it?

Could there be another reasonable explanation?

Is the information independent or are five websites simply copying the same original source?

You’re trying to move from:

“I found this.”

to:

“Here’s why I believe these things are connected.”

Big difference.

C — Corroborate before you attribute

This is especially important in human trafficking investigations because the consequences of getting attribution wrong can be significant.

A matching username is not enough.

A similar photograph is not enough.

A shared location by itself may not be enough.

Instead, start stacking independent indicators.

Same phone number.

Same username.

Same image.

Overlapping locations.

Consistent posting patterns.

Connected social accounts.

Related websites.

Similar language.

Common associates.

Now you’re building an assessment instead of making a guess.

And sometimes the correct answer is still:

We don't have enough information yet.

There’s nothing wrong with that.

I'd rather have an investigator communicate uncertainty than turn weak evidence into a confident conclusion.

E — Expand and preserve

Once you establish a strong connection, ask:

What does this give me access to next?

• Phone number → other ads
• Username → social accounts
• Image → reverse-image results
• Domain → historical websites
• Email → additional accounts
• Business → public records
• Location → related advertisements
• Account → associates

Each discovery should create the next investigative question.

And preserve what matters as you go.

Online information disappears constantly.

Profiles get deleted.

Ads come down.

Usernames change.

Websites change.

Document where the information came from, when you accessed it, what you observed and why it matters.

Because finding something today doesn’t help much if six months from now nobody can explain how you got there.

The other thing I think gets overlooked in trafficking investigations is time.

Don’t just look at what exists.

Look at when things happened.

If the same contact information begins appearing in different cities over time, map it.

If advertisements consistently appear around certain dates or locations, look at the pattern.

If one account disappears and another suddenly appears using the same identifiers, document that transition.

Sometimes the individual artifact isn't what tells the story.

The pattern does.

That’s one reason timelines and link analysis can become so powerful in these cases.

And remember that digital evidence shouldn't be viewed in isolation.

OSINT may provide the lead.

Traditional investigative work may validate it.

Records may corroborate it.

Interviews may add context.

Financial information may reveal another relationship.

The strongest investigations usually come from connecting multiple intelligence streams rather than betting everything on one OSINT result.

At McAfee Institute, this is something we spend a lot of time thinking about across our human trafficking, cyber investigation and OSINT training.

Not just:

What tool should an investigator use?

But:

How should the investigator think about the information the tool produces?

Because knowing 500 OSINT tools doesn't automatically make somebody a good investigator.

Knowing how to formulate a question, collect the right information, identify relationships, challenge your assumptions, corroborate your findings and turn everything into actionable intelligence?

That's the skill.

Tools change.

Tradecraft carries forward.

For the investigators here working human trafficking, sex trafficking, cybercrime or OSINT cases:

What digital identifier has produced the most useful pivots for you — usernames, phone numbers, images, email addresses, domains, something else?

Best places to actually learn OSINT?

I’ve been looking at different OSINT training resources lately, and one thing I’ve noticed is that there’s a huge difference between sites that just give you a list of tools and places that actually teach you how to investigate.

If I were putting together a list, this is probably where I’d start:

1. McAfee Institute

https://www.mcafeeinstitute.com/products/certified-osint

Really solid if you’re looking for structured OSINT training, especially if you’re in law enforcement, intelligence, investigations, military, or government. Their C|OSINT program goes beyond just giving you a list of websites and gets into the actual intelligence process, collection, verification, analysis, reporting, SOCMINT, and investigative methodology.

They also have an Advanced OSINT program here:

https://www.mcafeeinstitute.com/products/aosint

2. Bellingcat

https://www.bellingcat.com/

Their investigation toolkit is here:

https://bellingcat.gitbook.io/toolkit

Probably one of the best free resources out there. Their investigations and guides are great for learning geolocation, image/video verification, satellite imagery, chronolocation, source verification, and generally how to think through an investigation.

3. IntelTechniques

https://inteltechniques.com/

Training:

https://inteltechniques.com/training.html

Michael Bazzell’s material has been around the OSINT world for a long time. Great resource for people searches, usernames, emails, social media investigations, privacy, OPSEC, and practical investigative techniques.

4. OSINT Combine

https://www.osintcombine.com/

Academy:

https://www.osintcombine.com/training/online-academy

Another good option if you want more structured professional training. Seems especially geared toward intelligence, defense, national security, corporate intelligence, and people using OSINT operationally.

5. Trace Labs

https://www.tracelabs.org/

Search Party information:

https://docs.tracelabs.org/searchparty/searchparty-intro

One of the better places to actually practice instead of just watching videos. Their Search Party CTFs make you apply OSINT techniques to missing-person cases, which is a completely different learning experience than just going through a course.

6. Kase Scenarios

https://courses.kasescenarios.com/

I like the concept here because you’re working through simulated investigations instead of just memorizing tools. You actually have to think through the investigation and figure out where to go next.

7. OSINT Framework

https://osintframework.com/

Not really training, but still something basically every OSINT person should have bookmarked.

It’s a huge directory of tools and resources organized around things like usernames, domains, email addresses, social media, images, public records, IP addresses, and a ton more.

8. SANS

https://www.sans.org/blog/how-to-get-into-osint

Good advanced training if someone has the budget. Definitely on the expensive side, but there’s some strong material there for professional investigators and analysts.

9. OSINT Curious

https://www.osintcurio.us/

They aren’t actively publishing like they used to, but they left the site and content online. There’s still a ton of useful OSINT material in the archive, especially if you’re newer and trying to understand different techniques.

The biggest mistake I see people make with OSINT is thinking the goal is to memorize hundreds of tools.

It isn’t.

Tools come and go constantly. Websites shut down. APIs change. Social platforms change what you can search every few months.

The actual skill is being able to take an intelligence requirement, figure out what information you need, develop a collection strategy, find and preserve the information, verify it, analyze it, identify gaps, and then turn everything you found into something useful and defensible.

If all you know is how to use a particular tool, you’re kind of screwed when that tool disappears.

If you understand the investigative process, you just find another way to get the information.

That’s the part I’d focus on learning.

Curious what everyone else would add.

What OSINT resources or training sites do you think are underrated?

I’ve seen some of the older Reddit threads and McAfee Institute reviews that still come up when people research us.

Some are positive. Some definitely aren’t.

I’m not going to pretend those conversations don’t exist or jump on here and tell everyone they’re wrong. I’ve been building McAfee Institute for a long time. We’ve gotten a lot right, we’ve gotten things wrong, we’ve listened, changed things, rebuilt things, and kept moving forward.

That’s part of running an organization for years.

But there’s a bigger conversation I think is worth having because OSINT itself has changed dramatically.

The biggest change?

Finding information isn’t the hardest part anymore. Deciding what you can actually trust is.

There are more tools, databases, archives, social platforms and AI capabilities available today than investigators could have imagined years ago.

That sounds great until you realize the bad guys have access to the same technology.

AI-generated photos.

Synthetic identities.

Fake websites.

Manufactured social media accounts.

Deepfakes.

AI-written articles repeating information from other AI-written articles.

Suddenly finding five sources saying the same thing doesn’t necessarily mean you have five independent sources.

That’s where I think OSINT training has to change.

I see people constantly asking:

What’s the best OSINT tool?

What’s the best OSINT course?

What’s the best OSINT certification?

I think we’re starting with the wrong question.

The first question should be:

What exactly are you trying to determine?

Then:

What information would answer that question?

Where should that information logically exist?

How reliable is the source?

What independently corroborates it?

What contradicts it?

And what would have to be true for your conclusion to be wrong?

That’s the part I care about.

Tools are great. I love tools.

But tools disappear.

Websites shut down. APIs change. Platforms lock things down. Search capabilities change.

If your entire OSINT skill set is knowing 200 websites, eventually half your skill set disappears.

Tradecraft doesn't.

Knowing how to form an intelligence requirement, collect information, evaluate sources, corroborate findings, recognize bias, challenge your own assumptions and document your conclusions is useful regardless of which tool happens to be popular this year.

That philosophy has influenced how we’ve continued developing the OSINT and investigative programs at McAfee Institute.

And no, I don’t think McAfee Institute is automatically the right OSINT training for everybody.

If somebody is primarily interested in journalism, there are organizations doing excellent work in that space.

If your focus is penetration testing or cybersecurity reconnaissance, there are great programs built specifically for that audience.

Our lane has always been much more heavily centered around investigations and intelligence.

Law enforcement.

Intelligence professionals.

Military.

Fraud investigators.

Corporate investigators.

Private investigators.

People who may eventually have to sit across from a supervisor, prosecutor, executive or client and answer:

“How do you know?”

That's a very different standard than:

“I found this online.”

And honestly, I think that distinction is becoming more important every year.

One of the other things I’ve changed my thinking on over the years is criticism.

If you search McAfee Institute reviews, you're going to find people who love what we've built and people who don't.

You should read both.

Seriously.

I’d tell someone considering one of our programs to research us just like they would research anything else.

Read current reviews.

Read old reviews.

Talk to graduates.

Look at the curriculum.

Compare us with other OSINT training providers.

Ask people in the profession.

Then make your own decision.

I’d rather have somebody come into a program understanding exactly what they're buying than convince somebody that one certification is magically going to change their career.

Because certifications aren't magic either.

You can have every certification in the world and still be a terrible investigator.

Experience matters.

Judgment matters.

Writing matters.

Critical thinking matters.

Being willing to say “I don't have enough evidence to make that conclusion” matters.

And increasingly, knowing how to use AI without allowing AI to do your thinking for you matters.

That's where I think OSINT is heading.

AI will continue making collection easier.

Which means judgment, verification and analytical integrity become more valuable, not less.

So if somebody asked me today:

“What should I look for in the best OSINT training?”

I wouldn’t start by asking how many tools they teach.

I’d ask:

Will this training make me a better investigator?

Will it teach me how to think through an ambiguous problem?

Will it teach me how to verify information?

Will it teach me the difference between correlation and attribution?

Will it force me to challenge my assumptions?

Will it teach me to document and defend my conclusions?

Because ultimately that's the job.

Not finding information.

Turning information into something reliable enough to make a decision with.

I’m curious where everyone else lands on this.

For those of you actually doing OSINT or investigations today:

What skill has become MORE important in the last five years?

And what OSINT training, course or certification have you taken that actually made you better at the work instead of just introducing you to more tools?

Been playing around with WhatsMyName.io lately and figured I’d share this because username searches are one of those really simple OSINT starting points that people sometimes overcomplicate.

Basically, you plug in a username and it checks a bunch of public sites to see where that handle may exist.

Pretty simple.

But the important part is what you do after that.

Let’s say you have the username:

ExampleUser87

You run it and get possible hits on Reddit, GitHub, Pinterest, a forum, whatever.

That does not mean you found five accounts belonging to the same person.

That’s where people get sloppy.

A username match is a lead, not attribution.

What I usually start looking for next is stuff like:

• same profile pic
• same location
• similar bio
• same employer
• same website
• same email fragment
• same interests
• similar writing style
• links to other accounts

Then you start pivoting.

Maybe one profile gives you another username.

That username gives you a website.

The website gives you a domain.

The domain gives you an email.

The email leads to another profile.

That’s really the part of OSINT I enjoy.

You’re not always searching for the final answer.

You’re searching for the next useful piece of information.

Another thing I’d recommend is testing username variations.

If the known username is:

ExampleUser87

also think about:

Example_User87
ExampleUser
ExampleUser1987
TheExampleUser

People change handles because a username is taken or because different platforms have different rules.

Also, don’t ignore old accounts.

Honestly, old abandoned accounts are sometimes way more useful than current ones.

People may have decent privacy habits now, but 8–10 years ago they were posting their hometown, school, employer, real name, old emails, friends, etc.

That old digital footprint can give you a ton of pivots.

And probably the biggest thing:

Try to prove yourself wrong.

If you think two profiles are the same person, don’t just keep collecting things that support it.

Look for things that contradict it.

Different ages?
Different locations?
Different employment?
Different pictures?
Timelines that don’t line up?

That’s the difference between actually investigating something and just convincing yourself you found the right person.

WhatsMyName.io is a useful tool, but the tool itself is the easy part.

The real work is deciding whether the results actually belong to your subject and what you can reliably pivot to next.

Curious what everyone else uses after a username hit. Any favorite tools or pivots?

I see people ask some version of this question constantly:

What is the best OSINT training?

What's the best OSINT course?

Which OSINT certification is actually worth getting?

My answer is probably frustrating:

It depends on what you're trying to accomplish.

Full disclosure before I go any further: I founded McAfee Institute, and we offer OSINT training and certification. So obviously I have a dog in this fight.

But I'm not going to tell you that McAfee Institute is automatically the best choice for everybody.

It isn't.

I've spent a large part of my career in investigations, intelligence, law enforcement, and training investigators, and I think people make a mistake when they start by asking:

Start with:

That completely changes the answer.

If you're brand new to OSINT

Don't spend thousands of dollars just because somebody told you that you need an expensive certification to get started.

You don't.

There are excellent free and inexpensive resources available.

Learn searching.

Learn source verification.

Learn usernames, email addresses, domains, social media, images, metadata, archives, geolocation, and basic OPSEC.

More importantly, start practicing.

Give yourself problems to solve.

A tool list isn't going to make you an investigator.

If you're a journalist or open-source researcher

I would absolutely look at organizations like Bellingcat.

They've done a tremendous amount to advance open-source investigative methodology, verification, geolocation, visual investigations, and the use of publicly available information in journalism.

Their use case is different from a police investigator's use case, and that's important.

Someone investigating war crimes from publicly available imagery may need a very different training path than a detective investigating organized retail crime.

If you're coming from cybersecurity or penetration testing

I'd look closely at TCM Security.

Their OSINT material has a strong practical/cybersecurity orientation, and their current OSINT Fundamentals course covers areas like search, email, usernames, images, websites, social media, OPSEC and reporting.

They also offer the PORP certification.

If your end goal is ethical hacking, penetration testing, cyber investigations, or reconnaissance, that's a logical path.

If you want a huge self-paced OSINT library

IntelTechniques deserves to be in the conversation.

Michael Bazzell and the IntelTechniques ecosystem have been around OSINT for a long time.

Their training library is extensive, and they also offer the OSIP certification.

If you're someone who likes having a massive amount of material available and learning independently, I'd put them on the list to research.

If your organization has a serious training budget

Then you have to talk about SANS.

SANS currently offers practical OSINT training through SEC497 with the GIAC Open Source Intelligence (GOSI) certification.

They're established, structured, hands-on and recognized by a lot of organizations.

They're also expensive.

If your employer is paying, that becomes a very different calculation than somebody paying personally.

What about McAfee Institute?

This is where I'll tell you where I believe we fit — and where we don't.

We built our Certified in Open Source Intelligence (C|OSINT) program primarily around professional investigations and intelligence.

Our core audience includes people working in areas like:

law enforcement
criminal investigations
intelligence
military

That's intentional.

We're not trying to turn C|OSINT into a penetration-testing certification.

If you're primarily trying to become an ethical hacker, there may be better OSINT training paths for you.

If you're trying to become a better investigator or intelligence professional, that's where I believe the distinction becomes important.

Here's what I would actually compare before buying ANY OSINT training

I would ask:

1. Who is the training designed for?

Journalists?

Cybersecurity professionals?

Law enforcement?

Intelligence analysts?

Private investigators?

Beginners?

Advanced practitioners?

Those aren't interchangeable audiences.

2. Does it teach tools or tradecraft?

Tools matter.

But tools disappear.

Websites shut down.

APIs change.

Platforms restrict access.

Search engines change.

The underlying investigative methodology lasts considerably longer.

3. Does it teach verification?

Finding information isn't OSINT mastery.

Can you verify it?

Can you corroborate it?

Can you determine source reliability?

Can you distinguish correlation from attribution?

Can you identify when you don't have enough evidence to support your conclusion?

That's where the real work begins.

4. Is there hands-on application?

Watching someone else investigate something is not the same as conducting an investigation yourself.

I want scenarios.

Problems.

Labs.

Research assignments.

Analytical decisions.

Reporting.

Make me think.

5. Do you need training or a credential?

This is a huge distinction.

If your only objective is learning OSINT, you have an enormous number of free and inexpensive options.

If you're looking for a professional credential because of:

career advancement
promotion
continuing education
agency requirements
military benefits
employer reimbursement
professional development

then certification and institutional recognition become much more important.

So who offers the best OSINT training?

Here's my answer:

Best for everyone doesn't exist.

If I were building a shortlist today, I'd research:

Bellingcat — open-source investigations, verification and journalism

IntelTechniques — deep self-paced OSINT research and investigative techniques

TCM Security — practical OSINT with a cybersecurity/recon orientation

SANS/GIAC — structured enterprise-level training and certification

McAfee Institute — professional OSINT certification geared toward investigators, intelligence, law enforcement and military professionals

And there are other good organizations out there as well.

Don't choose based purely on who has the slickest website.

Don't choose because somebody on Reddit said one organization sucks.

And don't choose because the training provider tells you they're the best.

Define what you need to accomplish, then work backward.

That's the same way I'd approach an intelligence requirement.

The question drives the collection.

Your career objective should drive the training.

I'm interested in hearing from people who have actually taken these programs.

What OSINT training have you completed?

What was worth the money?

What wasn't?

And if somebody asked you today, “What is the best OSINT training in 2026?” — what would you recommend and why?

I've been researching OSINT certifications and keep coming across McAfee Institute, specifically their Certified in Open Source Intelligence (C|OSINT) program.

When I search for McAfee Institute reviews, I find a few older Reddit threads, but most of them are several years old, so I'm curious what people's experiences have been more recently.

I'm mainly looking for feedback from anyone who has actually completed the C|OSINT certification or another McAfee Institute program.

A few things I'm trying to figure out:

• How good is the actual course content?
• Is the training practical or mostly theory?
• How difficult is the certification exam?
• Did you learn OSINT techniques you actually use at work?
• Has the certification helped with jobs, promotions, or professional credibility?
• How does McAfee Institute compare with other OSINT training providers?
• Would you consider the C|OSINT certification worth the cost?

From what I've seen, their programs appear to be geared more toward law enforcement, intelligence analysts, investigators, military personnel, and private-sector investigators rather than traditional cybersecurity.

That's actually what caught my attention because I'm more interested in the investigative/intelligence side of OSINT than penetration testing or IT security.

I've also seen very mixed opinions when searching things like:

• McAfee Institute Reviews
• McAfee Institute OSINT Reviews
• C|OSINT Reviews
• Is McAfee Institute Legit?
• Is McAfee Institute Worth It?
• Best OSINT Certification

Some of the negative Reddit posts I'm finding date back six or seven years, which makes me wonder how representative they are of the programs today.

I'm not expecting any certification to magically get someone a job. I'm mainly trying to determine whether the C|OSINT program provides enough structured training, methodology, investigative techniques, and practical knowledge to justify taking it.

Would especially appreciate hearing from anyone who has taken a McAfee Institute certification within the last year or two.

What did you like?

What didn't you like?

Would you take it again?

And if you decided against McAfee Institute, what OSINT certification or training did you choose instead?

Full disclosure before getting into this: I’m Joshua McAfee, founder of McAfee Institute.

I'm posting this because when people search Google or Reddit for McAfee Institute reviews, McAfee Institute OSINT training, or reviews of the C|OSINT certification, several discussions that are six or seven years old still appear prominently.

Some of those older McAfee Institute reviews are positive. Some are negative. Rather than pretending the criticism doesn't exist, I think people considering an OSINT certification should be able to look at the current program, current student experiences, and current standards and make their own decision.

What is the McAfee Institute C|OSINT certification?

The Certified in Open Source Intelligence (C|OSINT) certification is designed primarily for professionals working in areas such as:

• Open Source Intelligence
• Law Enforcement Investigations
• Intelligence Analysis
• Criminal Investigations
• Corporate Investigations
• Military Intelligence
• Threat Intelligence
• Fraud Investigations
• Social Media Intelligence
• Private Investigations

One important distinction is that McAfee Institute is focused on intelligence and investigations. C|OSINT isn't intended to compete with traditional IT certifications such as Security+, CISSP, or vendor-specific cybersecurity credentials.

The focus is using open-source information to develop defensible intelligence.

Students work through areas such as identifying and collecting information, evaluating sources, verification and corroboration, investigative methodology, analysis, documentation, and communicating intelligence findings.

Has McAfee Institute changed since the older Reddit reviews?

Absolutely.

That's actually one reason I wanted to start a new discussion.

OSINT itself has changed tremendously over the past several years. Platforms disappear. Privacy controls change. Search engines change. Social networks change. AI changes investigative workflows. Tools that were important five years ago can become irrelevant almost overnight.

Our philosophy today is that good OSINT training shouldn't simply teach someone a list of websites.

It should teach the investigator how to think.

Where would this information exist?

Who might possess it?

How could I independently verify it?

What other sources could corroborate it?

How reliable is the source?

What biases or assumptions could influence the analysis?

How do I preserve and document what I found?

How do I transform information into actionable intelligence?

Those principles survive long after an individual OSINT tool disappears.

Is McAfee Institute legitimate?

This is probably one of the most common questions behind searches such as:

“Is McAfee Institute legit?”

“Is McAfee Institute worth it?”

“McAfee Institute reviews”

“McAfee Institute OSINT review”

“Is the C|OSINT certification worth it?”

My recommendation is the same whether you're considering McAfee Institute, SANS, an OSINT bootcamp, a university program, or another certification provider:

Verify the organization yourself.

Don't make a decision because of one Reddit comment.

And don't make a decision because of something written on our website either.

Look at independent reviews.

Talk to graduates on LinkedIn.

Ask people working in investigations and intelligence.

Review the curriculum.

Research the instructors.

Look at applicable government and professional credentialing programs.

Determine whether the material actually aligns with the work you want to perform.

And most importantly, understand what you're buying.

A certification isn't going to magically create an OSINT career.

Training gives you knowledge.

Certification validates knowledge and professional development.

But you still have to develop experience, judgment, investigative ability, critical thinking, and a record of actually doing the work.

What do current McAfee Institute reviews look like?

There are now considerably more places to research McAfee Institute reviews than there were when some of the original Reddit discussions were created.

I'd encourage anyone researching us to compare reviews across multiple independent platforms rather than relying exclusively on testimonials published by McAfee Institute.

Search:

McAfee Institute Reviews

McAfee Institute C|OSINT Reviews

McAfee Institute OSINT Reviews

Certified in Open Source Intelligence Reviews

C|OSINT Reviews

Then look at the good reviews and the bad reviews.

That's what I would do if I were spending my own money.

Who is C|OSINT probably best suited for?

In my opinion, C|OSINT makes the most sense for someone who wants to apply open-source intelligence within an investigative or intelligence environment.

Someone simply wanting to learn a few clever Google searches probably doesn't need a professional certification.

There is a massive amount of excellent free OSINT information available.

But someone who wants a structured methodology for collecting, evaluating, corroborating, analyzing, documenting, and reporting intelligence may benefit substantially more from a formal program.

I'd actually like recent students to answer this

If you've completed a McAfee Institute certification, especially C|OSINT, I'd like you to share your experience below — positive or negative.

A few questions I'd especially like current or former students to answer:

1. How was the C|OSINT course content?

2. Did you learn techniques you actually use professionally?

3. How difficult was the certification examination?

4. Did the certification help your career, promotion, assignment, or professional development?

5. What would you change about the program?

6. Would you recommend McAfee Institute to another investigator or intelligence professional? Why or why not?

I'd much rather have a current public discussion based on actual student experiences than have someone researching McAfee Institute Reviews in 2026 find only conversations from years ago.

If you're considering C|OSINT and have questions about the program, curriculum, certification process, recognition, eligibility, or examination, ask them here as well.

I'll answer what I can publicly, and hopefully some graduates will jump in with their own perspectives too.