Security of users' passwords should be at the forefront of every web developer's mind. Tom takes us through the insecure ways in which some websites deal with passwords.

Note: At circa 8mins, the animation does not show how the 'salt' is also stored in the database alongside the username.

Hashing Algorithms and Security:    • Hashing Algorithms and Security - Com...  
Security of Data on Disk:    • Security of Data on Disk - Computerphile  

More from Tom Scott:    / enyay   and   / tomscott  

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This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels