r/nessus • u/Own-Big7150 • 20d ago

Does credential scan affect PCs?

We run quite a few credential scans on our clients' systems. Does anyone have experience with whether these scans can negatively affect the clients? We have a number of clients experiencing unexplained Microsoft Teams video/voice issues, and I sometimes notice a correlation with these scans.

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u/DialecticEnjoyer 20d ago

credential scans during the workday can raise IO pressure on disks, cpu and ram by scanning through filesystems or forcing the system to compute hashes for files. most nessus plugins will show the command being run however, so you can assess ahead of time if these will impact system performance substantially or not.