Did NSA, GCHQ steal the secret key in YOUR phone SIM? It's LIKELY * The Register - 0 views
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The NSA and Britain's GCHQ hacked the world's biggest SIM card maker to harvest the encryption keys needed to silently and effortlessly eavesdrop on potentially millions of people. That's according to documents obtained by surveillance whistleblower Edward Snowden and leaked to the web on Thursday. "Wow. This is huge – it's one of the most significant findings of the Snowden files so far," computer security guru Bruce Schneier told The Register this afternoon. "We always knew that they would occasionally steal SIM keys. But all of them? The odds that they just attacked this one firm are extraordinarily low and we know the NSA does like to steal keys where it can." The damning slides, published by Snowden's chums at The Intercept, detail the activities of the as-yet unheard-of Mobile Handset Exploitation Team (MHET), run by the US and UK. The group targeted Gemalto, which churns out about two billion SIM cards each year for use around the world, and targeted it in an operation dubbed DAPINO GAMMA.
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Gemalto's hacking may also bring into question some of its other security products as well. The company supplies chips for electronic passports issued by the US, Singapore, India, and many European states, and is also involved in the NFC and mobile banking sector. It's important to note that this is useful for tracking the phone activity of a target, but the mobile user can still use encryption on the handset itself to ensure that some communications remain private. "Ironically one of your best defenses against a hijacked SIM is to use software encryption," Jon Callas, CTO of encrypted chat biz Silent Circle told The Register. "In our case there's a TCP/IP cloud between Alice and Bob and that can deal with compromised routers along the path as well as SIM issues, and the same applies to similar mobile software."
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On Wednesday the UK government admitted that its intelligence agencies had in fact broken the ECHR when spying on communications between lawyers and those suing the British state, so GCHQ might want to reconsider that statement.