Cisco Duo Data Breach: Hackers Stolen VoIP & SMS for MFA

Cisco’s Duo Security, a leading multi-factor authentication (MFA) service, has suffered a significant data breach. The April 1, 2024, incident involved unauthorized access to telephony data used for MFA purposes. The breach was produced through a sophisticated phishing attack that compromised a telephony provider’s employee credentials. The attackers exploited this access to download a set […]

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