The worst passwords used in 2011.

"The word password is the top of the list of words used to protect the income on various websites. The ranking is derived from data released by hackers."

One in three Internet users forget their passwords to access online services. Names of family members and birth dates are usually the most common passwords from Internet users.

The expansion of social networks has created a need in users increasingly create online profiles and, therefore, more passwords .

The keys are an obstacle to the netizens . The problem is that the volume of network services makes it difficult for users to remember them all.

The more insecure passwords appear in a list created by SplashData from data released by hackers throughout the year.

Although it may seem unusual, password ("password") remains the most used key for Internet users. Classics like qwerty and 123456 are not far in the ranking, which is formed as follows:

1. password

2. 123456

3. 12345678

4. QWERTY

5. abc123

6. monkey

7. 1234567

8. letmein

9. trustno1

10. dragon

11. baseball

12. 111111

13. iloveyou

14. master's degree

15. sunshine

16. ashley

17. bailey

18. passw0rd

19. shadow

20. 123123

21. 654321

22. superman

23. qazwsx

24. michael

25. football

For years, it is recommended that Internet users that include numbers and other characters to make more difficult the work of those who want to access another user's account.

Another recommendation is to use no less than 8 characters, and avoid using the same combination of username and pass at various sites.

But judging by data from the ranking, the users are away to make these recommendations.