A senator is trying to find out how secure US telecom networks are after a major hack.

Senate Commerce Committee Ranking Member Maria Cantwell (D-WA) is hunting for answers about the state of US telecom network security after the Salt Typhoon hack first reported late last year. The attack was so massive that US officials encouraged Americans to use encrypted apps to prevent their conversations from being seen by hackers. Cantwell is asking digital forensics firm Mandiant to hand over assessments behind AT&T and Verizon’s claims that their networks are now secure. [Link: Cantwell letter to Mandiant | https://www.commerce.senate.gov/services/files/DBCCD273-C712-4455-8B60-C57C075ADE48 | commerce.senate.gov]

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