Cisco Duo says a third-party data breach stole MFA SMS logs

Cisco Duo has confirmed some sensitive customer data was stolen after a third-party cyber-incident. In a breach notification letter sent to affected customers, Cisco Duo said that its telephony provider, which it didn’t name, was compromised on April 1 2024. Unidentified threat actors mounted a phishing attack against the third party, through which they stole … Read more