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Gemalto Will Investigate Alleged SIM Card Hack

ID: be14d8eb-f21a-59aa-99e5-5311dc3e0821

STIX ID: report--be14d8eb-f21a-59aa-99e5-5311dc3e0821

Feed Name: Security Ledger

Threat Score
85/100

Date Published: 2015-02-20

Date Updated: 2026-05-05

Author: Paul Roberts

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A report based on Snowden-leaked documents alleges that NSA and GCHQ operatives conducted covert operations against Gemalto in 2010–2011 to extract SIM card encryption keys, potentially enabling widespread interception of mobile communications; Gemalto says it will investigate but cannot yet verify the claims.

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