Both operating systems let you encrypt important folders and drives—here's how.

FileVault is a security feature on a Mac that encrypts all the files and data. We take a look at how to encrypt and protect your data with FileVault on a Mac.

How do I increase the security of my Mac? It's impolite to deny my cousins access to my Mac, but some of them are young and curious, so I set up a guest account for such instances.

Encryption is the matter of safety, I've always said. If you want to keep movies, pictures and other files under a safe lock, choose a password protective software from our guide.

Encryption is good for protecting sensitive data you don’t want anyone else to see. If some bad guy nabs your laptop while you’re out at a coffee shop or ...

Apple's older Mac computers face security risks without regular updates, but 10 essential tips including FileVault encryption ...

File encryption can improve the security of your files and folders and make them inaccessible to intruders without a decryption key. Here's a quick guide about encrypting any files, folders, and ...

And, of course, encryption is only one of a great many topics pertaining to Mac security that I explore in the book. It also includes complete details on secure email, chat, and Web browsing; ...

When you select Encrypt, Finder will prompt you to create a password, which you'll need to enter the next time you attach the USB flash drive to a Mac. (Don't forget this, otherwise you'll lose ...

PGP email encryption is hard – but it doesn't have to be. Here's how to do it on a Mac, in just a few easy steps.

If you want to share a drive but keep some files on it encrypted, you can easily do so with a couple of approaches in OS X.