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Questions tagged [password-strength]

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14 votes
4 answers
6k views

Security of a non-random password but that relies on information an attacker cannot possibly know

I am trying to figure out whether a non-random password that relies on information an attacker cannot possibly know can be secure. To give an example, let’s say that I generate my password by putting ...
hb20007's user avatar
  • 559
1 vote
3 answers
348 views

Patterns in passwords

I am posting to ask about two conflicting password recommendations. I know only bits and pieces about cryptography. Let me begin by checking a basic assumption: in a cracking attempt, a string is ...
anon's user avatar
  • 11
15 votes
4 answers
8k views

Can 777-characters long passphrase be considered too short?

Is Rumkin.com's password tool a reliable tool for password strength checking? I am asking because: I am getting confusing suggestions: (the password in this example is 777 characters long) D. W.'s ...
trejder's user avatar
  • 3,639