Comment on 6 digit OTP for Two Factor Auth (2FA) is brute-forceable in 3 daysparentComments−userbinator4yIt reminds me of the 4-digit PINs on payment cards --- yes, the "keyspace" is tiny, but you're going to be locked out long before you get close to exhausting it.
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It reminds me of the 4-digit PINs on payment cards --- yes, the "keyspace" is tiny, but you're going to be locked out long before you get close to exhausting it.