Do extremely short credential lifetimes actually help security? (piefed.social)

submitted 3 days ago by lnklnx@piefed.social to c/cybersecurity@sh.itjust.works

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My company has an external auth provider for the whole organization, and MFA is required (push notification to a phone app). This all works well and I agree with it, BUT they have configured the credentials to expire in 20 minutes. In practice this means everyone in the company is typing their password and fiddling with their phone dozens of times per day to work with any application except for email (somehow it gets away with caching the credentials).

Timeouts for credentials are good, but does this aggressively low setting actually provide increased security?

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[-] NightFantom@slrpnk.net 9 points 3 days ago

Not really, as too much friction causes people to bypass it in other ways. Ask about things like yubikeys perhaps?

[-] lnklnx@piefed.social 2 points 3 days ago

Thanks, I'll ask about that.

this post was submitted on 10 Apr 2026

16 points (94.4% liked)

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