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Technology

US cyberweapons have been stolen and there's nothing we can do

Earth

Japan’s refusal to stop ivory trade undermines bans elsewhere

Technology

NHS turns to ethical hackers to defend it from malicious attacks

Secure phone uses sonar to watch your mouth saying a passphrase

Humans

How your digital style gives you away – and how to hide it

Technology

Uber had a massive data hack - here's how worried you should be