‘Amsterdam, February 25, 2015 - Following the release of a report by a news website on February 19, 2015, Gemalto (Euronext NL0000400653 GTO), has conducted a thorough investigation, based in particular on two elements: the purported NSA and GCHQ documents which were made public by this website, and our internal monitoring tools and their past records of attempts of attacks.’
Read the complete article here: http://www.gemalto.com/press/Pages/Gemalto-presents-the-findings-of-its-investigations-into-the-alleged-hacking-of-SIM-card-encryption-keys.aspx