By by Miles Jamison
Publication Date: 2026-02-26 17:14:00
The Cybersecurity and Infrastructure Security Agency has released Emergency Directive 26-03, Mitigate Vulnerabilities in Cisco SD-WAN Systems, along with Supplemental Direction ED 26-03, Hunt and Hardening Guidance for Cisco SD-WAN Systems, to address threat actors actively targeting federal networks leveraging designated Cisco systems and software.
The Potomac Officers Club’s 2026 Cyber Summit on May 21 will examine how government and industry are responding to escalating global cyber threats similar to the attacks on Cisco SD-WAN Systems. Sign up now to join this important GovCon event!
What Prompted the 26-03 Directive?
CISA said Wednesday the identified flaws pose an unacceptable risk to federal civilian executive branch networks, prompting immediate remediation. The company’s forensic analysis, conducted in coordination with international partners, determined that the vulnerabilities could be exploited with limited complexity.
