A group of Chinese researchers has claimed to be able to break a widely used encryption scheme with a quantum computer that already exists, creating a possible boon for surveillance and a crisis for ...

A recent, yet to be proven paper claiming to have found a way to "destroy the RSA cryptosystem" has cryptographers asking what might replace it. What if a big crack appeared overnight in the ...

Hardware faults are leaking hundreds of supposedly unbreakable encryption keys on to the internet, researchers have found – and spy agencies may be exploiting the loophole to read secret messages. RSA ...