Encryption software is a technology that uses cryptographic algorithms to convert plain text or data into ciphertext, rendering it unintelligible to unauthorized individuals. The encryption process ...

Last May, German investigators found secret files embedded in a pornographic video on memory cards being carried by a suspected al Qaeda operative. Peter Wayner describes the history and technology of ...

Reports that the NSA has developed mechanisms for reading data encrypted with many of today’s standard encryption mechanisms raise the question: Is there any way to send a message across the Internet ...

Low-key but effective, steganography is an old-school trick of hiding code within a normal-looking image, where many cybersecurity pros may not think to look. One of the challenges of cybersecurity is ...

Hiding secret messages inside what seem to be harmless messages is nothing new. The word steganography itself originated in Greece and means “covered writing”. During important historic events of our ...

Steganography is the ancient practice of stashing secret text, images, or messages inside a different text, image, or message. It dates back to as early as the fifth century BC, when Spartan King ...