A Cisco threat intelligence report calls the cyberintruders “highly sophisticated” but stops short of naming any affiliation with a foreign nation.

The vulnerabilities, scored as critical, affect the company’s Software-Defined Wide-Area Networking (SD-WAN) systems.

The U.S. government and its allies said hackers have been exploiting the newly identified bug in Cisco networking gear around ...

The Cybersecurity and Infrastructure Security Agency (CISA) has issued Emergency Directive (ED) 26-03: Mitigate Vulnerabilities in Cisco SD-WAN Systems and Supplemental Direction ED 26-03: Hunt and ...

CISA warns of significant cyberattack threat targeting networks, Cisco confirms 10/10 zero-day authentication bypass vulnerability already being exploited.

The Cybersecurity and Infrastructure Security Agency issued a directive Wednesday ordering civilian agencies to secure and ...

Cisco is warning that a critical authentication bypass vulnerability in Cisco Catalyst SD-WAN, tracked as CVE-2026-20127, was ...

CISA's latest emergency directive tells agencies to immediately patch critical vulnerabilities in Cisco networking devices.

Maximum-severity Cisco flaw is being actively abused ...

CISA warns of significant cyberattack threat targeting networks, Cisco confirms 10/10 zero-day authentication bypass vulnerability already being exploited.

AHA warns Cisco cybersecurity vulnerability exploited by hackers; hospitals should patch SD-WAN systems and follow CISA guidance to secure networks.

Government security agencies in the UK, US, Canada, Australia and New Zealand have urged Cisco customers to take immediate action to patch a critical zero-day bug in their SD-WAN kit that has been ...