Security of Data on Disk - Computerphile

Deleting files may not mean they're gone. Even overwriting them isn't safe. Professor Derek McAuley explains.

EXTRA BITS - more on Flash/SSD: http://youtu.be/HQWFCDN9VZI
Punch Card Programming: http://youtu.be/KG2M4ttzBnY

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This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: http://bit.ly/nottscomputer

Thanks to Richard Faulkner for the photo of the hard disk being destroyed.

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

Видео Security of Data on Disk - Computerphile канала Computerphile