Cisco Duo warns telephony supplier data breach exposed MFA SMS logs
Security Affairs
APRIL 15, 2024
Cisco Duo warns that a data breach involving one of its telephony suppliers exposed multifactor authentication (MFA) messages sent by the company via SMS and VOIP to its customers. The security breach occurred on April 1, 2024, the threat actors used a Provider employee’s credentials that illicitly obtained through a phishing attack.
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