The Micius satellite will encrypt data using fundamental laws of physics rather than crackable codes.
A new type of computer means we'll need a new way to make our data secure.
Ransomware – which encrypts your files and offers to sell you the key – operates differently from other malicious software. Those differences turn out to give potential victims a fighting chance.
Developing tools to weed out would-be attackers from the world's most-used privacy and anonymity system.
Scientists have found a way to encrypt messages using common chemicals such as cola and mouthwash.
The FBI has accessed the data on a shooter's iPhone. What if the device had been running Android?
Researchers face stiff fines or even jail time if they inadvertently communicate with foreign colleagues about matters deemed to have a military use.
The court order to Apple is consistent with the existing law and previous Supreme Court decisions.
Apple's refusal to back down in its fight with the FBI is a sharp reversal from just a few years ago when it was the government urging tech companies to do more to protect consumer privacy.
Apple says it won't comply with a court order to unlock a terrorism suspect's iPhone for the FBI. Here's the technology at play.
If Apple concedes to the US government's request to hack its own product, it could end up undermining security and privacy for all of us.
If our homes and property are protected from the law, by the law, then our digital devices should be, too.
Scientific advances – including the recent discovery of gravitational waves – force us to deal with numbers so extreme they're virtually inconceivable.
Here's how to protect yourself from the latest online scourge of hackers encrypting your files and demanding a ransom to unlock them.
An open letter signed by security experts from around the world is calling on governments to protect encryption rather than undermine it in a quixotic attempt to tackle terrorism.
Banning encryption won't help, and probably isn't possible anyway.
With attacks against Tor increasing, prototype anonymising software Vuvuzela takes a different approach.
The Investigatory Powers Bill raises plenty of questions. Here are the answers.
The snooper's charter is here, and it's as bad as expected. Here's three problems that need fixing.
There's a dark side of the internet, where almost anything goes, or can be bought for the right price.