A National Cyber Security Centre (UK) report states that the most common password is “123456” and that it has been found 23 million times in cybersecurity breach databases. This underscores the importance of not reusing a password, and mixing and matching numbers, letters and characters when choosing one.
The top 20 passwords known to hackers include:
123456
123456789
qwerty
password
111111
12345678
abc123
1234567
password1
12345
1234567890
123123
000000
iloveyou
1234
1q2w3e4r5t
qwertyuiop
123
monkey
dragon