10 breakthroughs in IT security

Big ideas that altered the course of information security

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The Security Administrator Tool for Analyzing Networks (SATAN): Unleashed as freeware in 1995, SATAN was developed by Dan Farmer and Wietse Venema as a tool to help systems administrators automate testing for known vulnerabilities. Controversial because this very effective scanner could be used by either the good guys or the bad guys -- the uproar got Farmer fired from his job at SGI --SATAN's still out there, though no longer in development. As one of the earliest vulnerability scanners, SATAN hugely influenced the evolution of vulnerability assessment.

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