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Twilio has confirmed that an unsecured API endpoint allowed threat actors to verify the phone numbers of millions of Authy multi-factor authentication users, potentially making them vulnerable to SMS phishing and SIM swapping attacks.

Hackers abused API to verify millions of Authy MFA phone numberswww.bleepingcomputer.com Twilio has confirmed that an unsecured API endpoint allowed threat actors to verify the phone numbers of millions of Authy multi-factor authentication users, potentially making them vulnerable to SMS ...