What is encryption and how does it work to protect your devices from bad actors? From the types, importance and advantages of encryption - it is here to help you.

End-to-end encryption secures messages before they're sent and decrypts them only after arriving at a recipient's device.

Signal and WhatsApp offer some similar security features and certain disparate protections. Here's how the apps compare.

Ink containing polymers that can store data has been used to write a letter containing a hidden message – the encryption key to unlock a text file of L. Frank Baum’s The Wonderful Wizard of Oz. Eric ...