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 - Computer... Security of Data on Disk: • Security of Data on Disk - Computerphile More from Tom Scott: / enyay and / tomscott / computerphile / computer_phile 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