via http://www.businessweek.com/magazine/content/11_06/b4214036460585.htm
Most common passwords:
123456, password, 12345678, qwerty, abc123
In password brute-forcing time (in general)
number of characters | 6 chars | 7 chars | 8 chars | 9 chars |
lowercase only | 10 minutes | 4 hours | 4 days | 4 months |
+ uppercase | 10 hours | 23 days | 3 years | 178 years |
+ numbers + symbols | 18 days | 4 years | 463 years | 44,530 years |
Chance of users using a common password or simple combination word:
50%
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