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A comment on The Most Expensive Lesson of My Life: Details of SIM Port Hack. Parent comment

Re:The Most Expensive Lesson of My Life: Details of SIM Port... by r1ch on Tuesday May 21, 2019 @06:56PM (#19975974)
You can disable "multi device" mode in Authy, this prevents adding new devices via SMS auth.
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Re:The Most Expensive Lesson of My Life: Details of SIM Port... by eigenvector on Tuesday May 21, 2019 @07:04PM (#19976052)
Even when you authenticate via SMS in multi device mode, the imported tokens still have to be decrypted via a master password. SMS is just your account identifier on Authy, hijacking it will not allow access to your tokens on its own.
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