What are some alternatives?
When comparing Digicert and FileVault, you can also consider the following products
Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
VeraCrypt - When you need to know that your information is secure, VeraCrypt offers an added layer of protection. Their encrypting process keeps your files and data safe from prying eyes.
VeriSign - VeriSign Authentication Services provides solutions that allow companies & consumers to engage...
Tor - The Tor Project's free software protects your privacy online. Site blocked? Email [mailto:[email protected]] for help downloading Tor Browser.
GlobalSign - GlobalSign offers a range of SSL Certificates with the strongest 2048 bit encryption and value add features to ensure your website is protected.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.