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Identity security
Backend Developer
Identity security questions
8 questions on Identity security for backend developers, easiest first.
Easy
3
Rules for a login OTP
easy
Weak point of SMS OTP
easy
Which pair is really two factors
easy
Medium
3
How authenticator app codes work
medium
Storing MFA backup codes
medium
Re-checking identity before a transfer
medium
Hard
2
Logins from leaked password lists
hard
Why passkeys stop phishing
hard
