Encrypting medical photos with chaos

Chaos and confusion could be used to encrypt colour photos and protect them from prying eyes, according to computer scientists in Algeria. Writing in the International Journal of Information and Computer Security, the team ...

How to hide secret messages using fizzy drinks

Next time you see someone spilling a drink in a bar, you could actually be witnessing a spy secretly decoding an encrypted message. This might sound like something from a Bond movie. But a team from Israel has used some rather ...

Apple report shows 30,000 law enforcement data queries

Apple received some 30,000 data requests from law enforcement agencies globally in the second half of 2015, and provided information in a majority of cases, the company's latest transparency report showed.

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