If your PC is your only backup, at least make it corruption-proof—here's how ...

This will be a technical article introducing file hashes, how to generate hashes with PowerShell and, when copying files, how to use hashes to your advantage to ensure file copies were successful.

Three cryptographers at Stanford University recently came up with a clever solution to the persistent problem of identity theft on the Internet. Wily hackers in Russia, China, and other countries send ...