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.
iTunes can automatically back up your iOS devices when you sync them, but you can also save multiple backups, just to be belt-and-suspenders safe.
Read about the dangers of phishing, and how you can protect yourself.