Why are my correct passwords taking less time to be checked than my wrong ones?
103326
Why is there a delay when entering a wrong password?
105481
Preventing Brute Force Logins on Websites
70212
brute force password guessing on SSH server isn't going to work?
48835
How do you set requirements (such as minimum length) on passwords?
105802
Why am I still being asked for an ssh password when I'm using private key authentication?
61517
Why should we ask the password twice during registration?
142930
What is the default password for Ubuntu 12.04?
71306
Which user's password does `sudo` asks for?
69126
How can I change my password?
35440
How does browser know when to prompt user to save password?
45285
/etc/shadow date of last password change—UTC or local time?
7987
Why is there a big delay after entering a wrong password?
142223
Multiple Passwords on One Account
52351
What is the optimal length for user password salt?
15805
How to avoid being prompted for a password by sudo?
150956
How can I change a user's password?
126050
How does one change the delay that occurs after entering an incorrect password?