So a user simply has to chose a password and then the PGP system does all of the encryption and makes the file or the message secure.

NPR: The Math Behind Pellicano's Code

Totzke advises all smartphone users to enable a password, quickly download security updates from their phones operator system and carefully consider the source of any applications they download.

CNN: Smartphone security threats likely to rise

In December 2010, in an online forum used by Anonymous, Keys, under the username AESCracked, allegedly shared a username and password that he told them would allow them to access the content management system of Fox 40 and the Times.

FORBES: Justice Dept. Charges Reuters Employee Matthew Keys With Helping Anonymous Hack Tribune Co.