The Office of Civil Rights at the U.S. Department of Health and Human Services demands hefty penalties from companies whenever a stolen laptop compromises PHI because it was unencrypted. The average fine is over $880,000 per laptop! You can avoid this penalty by ensuring all employees and contractors activate full disk encryption on their computers.
Mac OS X. Turn on file FileVault. It is available on all editions starting with 10.10 Yosemite. Beginning with Lion, all Mac OS X machine are encrypted by default.
Windows. Turn on BitLocker. It is available on Windows 10 Pro, Education, and Enterprise; on Windows 8 and 8.1 Pro and Enterprise; on Windows 7 Ultimate and Enterprise; and on Windows Vista Ultimate and Enterprise.
Linux. You can activate full disk encryption on Ubuntu versions 12.10 and later during installation.
ChromeBook. Encryption is enabled by default, unless you are in Developer Mode.
iPhone, iPad, or iPod. Turning on the Passcode automatically activates full disk encryption. Make sue you use a 6 digit passcode or longer. Available for iPhone 3GS or later, all iPads, and iPod 3rd Generation or later.
Android. Full disk encryption is available starting with Gingerbread 2.3.X and enabled by default starting with 5.X. Android disk encryption has some known vulnerabilities that iOS does not have.