Crack (password Software)
Crack is a Unix password cracking program designed to allow system administrators to locate users who may have weak passwords vulnerable to a dictionary attack. Crack was the first standalone password cracker for Unix systems and (later) the first to introduce programmable dictionary generation.
Crack began in 1990 when Alec Muffett, a Unix system administrator at the University of Wales Aberystwyth was trying to improve Dan Farmer's 'pwc' cracker in COPS and found that by re-engineering its memory management he got a noticeable performance increase. This led to a total rewrite which became "Crack v2.0" and further development to improve usability.
Read more about Crack (password Software): Public Releases, Legal Issues Arising From Using Crack, Programmable Dictionary Generator, Network Distributed Password Cracking
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