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Penetration Testing

Featuring 60 Papers as of August 26, 2019

  • Pass-the-hash attacks: Tools and Mitigation by Bashar Ewaida - February 23, 2010 

    Passwords are the most commonly used security tool in the world today (Skoudis & Liston, 2006). Strong passwords are the single most important aspect of information security, and weak passwords are the single greatest failure (Burnett, 2006). Password attacks, such as password guessing or password cracking, are time- consuming attacks. Tools that make use of precomputed hashes reduce the time needed to obtain passwords greatly. However, there is storage cost and time consumption related to the generation of those precompiled tables; this is especially true if the algorithm used to generate these passwords is relatively strong, and the passwords are complex and long (greater than 10 characters). In a pass-the-hash attack, the goal is to use the hash directly without cracking it, this makes time-consuming password attacks less needed.

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Most of the computer security white papers in the Reading Room have been written by students seeking GIAC certification to fulfill part of their certification requirements and are provided by SANS as a resource to benefit the security community at large. SANS attempts to ensure the accuracy of information, but papers are published "as is". Errors or inconsistencies may exist or may be introduced over time as material becomes dated. If you suspect a serious error, please contact webmaster@sans.org.

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STI Graduate Student Research - This paper was created by a SANS Technology Institute student as part of the graduate program curriculum.