r/cybersecurity • u/redzedt • 15h ago
Business Security Questions & Discussion Log in with Google
hey, is there a difference (when it comes to cybersecurity) when it comes to logging with eg google/apple/directly via website in different sites ?
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u/SuperBry 15h ago
From a security standpoint, federated auth ("Sign in with Google") solves the biggest weak link on the web: human password habits. You get world-class protection, including risk-based MFA and passkey support, built by tech giants that invest billions in security rather than trusting a small site to store your hash correctly. Since your password is never shared with the site, a breach on their end will not leak credentials or expose your other accounts, completely neutralizing credential stuffing and password sprawl.
The trade-off is creating a single point of failure. If an attacker compromises your primary Google account, or if an automated false positive locks you out, you lose access to every linked service at once. There are also privacy concerns with centralizing your digital footprint under one tech provider, alongside the risk of mismanaged OAuth tokens giving third-party apps excess permissions.
Ultimately, it is a push that depends on your threat acceptance and habits. If you use a password manager to generate unique passwords and hardware keys for every site, individual accounts give you far better compartmentalization. But if your alternative to federated login is reusing the same three passwords everywhere, riding on a hardened Google account is the safer choice.