Dutch digital security firm Gemalto, which is the world’s biggest manufacturer of SIM cards, has reported back on internal investigations triggered by last week’s revelations about the NSA and GCHQ hacking into its systems and stealing encryption keys that are supposed to protect phone users’ communications.
On Wednesday Gemalto said it reckoned a series of intrusions into its systems in 2010 and 2011 could have matched up with the attacks described in documents leaked by Edward Snowden and published by The Intercept. However, it downplayed the impact of the attacks on its systems and SIM encryption key transfer mechanisms, hinting that the methods described in the documents were more likely to have affected its rivals.
For a start, Gemalto said these attacks, which involved the “cyberstalking” of some of its employees in order to penetrate its systems, only affected its office networks:
The SIM encryption keys and other customer…
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