The National Cyber Security Centre released a list of 100,000 passwords known to hackers. 

The list reveals how important it is not to re-use a password: the top password is "123456" and has been found 23 million times in databases of cybersecurity breaches, according to the National Cyber Security Centre

The top 20 include: 

  1. 123456
  2. 123456789
  3. qwerty
  4. password
  5. 111111
  6. 12345678
  7. abc123
  8. 1234567
  9. password1
  10. 12345
  11. 1234567890
  12. 123123
  13. 000000
  14. iloveyou
  15. 1234
  16. 1q2w3e4r5t
  17. qwertyuiop
  18. 123
  19. monkey
  20. dragon