Readers of a certain age will remember those 'invisible ink' spy toys that let you write a 'secret' message which would only appear after rubbing the page with half of a lemon. Yeah, this is not that.

Many people and companies worry about sensitive data getting hacked, so encrypting files with digital keys has become more commonplace. Now, researchers have developed a durable molecular encryption ...

Cryptography, in the dictionary, is the art of writing or solving codes. In the security world, its the practice and study of techniques for secure communication in the presence of third parties ...