The Problem with Passwords – BusinessWeek

Most-used passwords: 123456, password, 12345678, qwerty, abc123

Time it takes a hacker’s computer to randomly guess your password:

Length: 6 characters

Lowercase: 10 minutes

+ Uppercase: 10 hours

+ Nos. & Symbols: 18 days

Length: 7 characters

Lowercase: 4 hours

+ Uppercase: 23 days

+ Nos. & Symbols: 4 years

Length: 8 characters

Lowercase: 4 days

+ Uppercase: 3 years

+ Nos. & Symbols: 463 years

Length: 9 characters

Lowercase: 4 months

+ Uppercase: 178 years

+ Nos. & Symbols: 44,530 years

Average amount it costs a business to field a phone call requesting a password reset: $10

Proportion of help desk calls that are password-related: 30%

Users who choose a common word or simple key combination for a password: 50%

via The Problem with Passwords – BusinessWeek.

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