Privacy

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A place to discuss privacy and freedom in the digital world.

Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.

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Is it bad to expose the 2FA codes? (lemmy.ml)

submitted 1 year ago by vis4valentine@lemmy.ml to c/privacy@lemmy.ml

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In a few weeks I'll do a workshop about security for people who are tech illiterate, I plan to teach about password managers and 2FA.

If I show the 2FA number codes, like the 123 456 ones that I have to paste when required, can that be a possible security breach for me? or is it save since is gonna change in a few seconds anyway?

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[–] nao@sh.itjust.works 1 points 1 year ago

If you leak one of the 2FA codes, especially together with a timestamp, in theory it allows someone to brute force the seed, since they now have one known plaintext. If you leak multiple, it reduces the amount of time needed to do that.