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Specific to the security of passwords: hashing, entropy, cracking, resets, lockouts, etc.

15 votes

What is worse for password strength, a poor password policy or no password policy at all?

The people using weak passwords anyway will get hacked in this case too (because this restrictive and weak policy, and the attacker being able to set specific attacking-rules). … But people normally using strong passwords also will. In other words, it's a lot less secure. Without any policy, only the people using weak passwords are vulnerable; now everyone is vulnerable. …
O'Niel's user avatar
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5 votes

How many bcrypt rounds are necessary?

Do you mean 6 rounds, or cost 6? Because cost 6 is 2^6 = 64 rounds. Nowadays cost 10-12 is considered the minimum. However you need to look the maximum your hardware can handle. The process of hashi …
O'Niel's user avatar
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2 votes

Does typing something in Notepad but not saving it leave any trace?

Yes, temporary in your RAM. Notepad is a program like no-other and uses variables. What you type also is a variable. The value of variables get stored in your RAM. Whenever you close your laptop your …
O'Niel's user avatar
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1 vote

Keeping passphrase away from telepathic interception

It's a kind of two-factor authentication USB-stick which generates and syncs pseudo-random passwords after a given amount of time. …
O'Niel's user avatar
  • 3,478
1 vote

Will Quantum computing render passwords obsolete?

Who says passwords will be totally broken? Passwords are - for a part - saved as secure as their hash is. And yeah sure, some hashing algorithms will be broken. …
O'Niel's user avatar
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