Authentication

Authentication - Know how to select a good password&#2...

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Unformatted text preview: Know how to select a good password.  Know the importance of backups and how to make good backups.  Understand what encryption is and how it works.  Know what a digital certificate is and how it protects you. Process to verify that information comes from trusted source  Passwords  Pass Cards  Biometrics Consider one of your non-VT passwords. How long do you think it would take a hacker to figure out that password? a. Seconds b. Minutes c. Hours d. Days identical characters  alphabetic or numeric series  characters adjacent on keyboard  anything obvious about you  any word in the dictionary Steal encrypted passwords  Guess password › Brute Force › Dictionary Cracks › Hybrid Cracks  Encrypt guess  Compare encrypted guess to stolen encrypted password until match its found 1 GHz Pentium Processor  1,000 to encrypt guessed password and compare to target  1 million crack-n-compares per second Max Avg 4 lower (26^4) .457 sec .25 sec 6 lower (26^6) 5.15 min 2.57 min 8 lower (26^8) 58 hrs 29 hrs 8 lower & upper619 days 309 days “ ” & # & sym 317 yrs 158.5 yr Max...
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This note was uploaded on 07/08/2010 for the course ACIS 1504 taught by Professor Jmlacoste during the Spring '07 term at Virginia Tech.

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Authentication - Know how to select a good password&#2...

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