If you use Time Machine to back up your Mac, you may want to use two disks, for extra security.
Why six digits are better than four: it’s math.
An Apple technical document explains how to remove adware from your Mac. It’s not easy, though.
When OS X’s Keychain requests a password, the dialog it displays does not inspire trust.
Phishing emails purporting to alert users to files shared on Dropbox are making the rounds.