What's Happening?
U.S. and UK government agencies have issued a warning regarding the security risks associated with discontinued edge devices, urging organizations to replace them promptly. Edge devices, which include firewalls, IoT devices, load balancers, and network
security appliances, are critical for routing network traffic. However, once these devices reach end-of-support (EOS) status, they no longer receive security updates, making them vulnerable to exploitation by state-sponsored threat actors. The Cybersecurity and Infrastructure Security Agency (CISA), the FBI, and the UK's National Cyber Security Centre (NCSC) have highlighted the potential for these devices to be used as entry points for unauthorized access, data theft, and network persistence. CISA has issued Binding Operational Directive 26-02, which mandates federal agencies to update or replace unsupported edge devices to mitigate these risks.
Why It's Important?
The directive underscores the significant threat posed by unsupported edge devices to federal networks and enterprise environments. These devices, when left unpatched, can be exploited by advanced threat actors, leading to potential data breaches and disruptions in productivity. The directive aims to enhance the security posture of federal agencies by ensuring that all edge devices are up-to-date and secure. This move is crucial in safeguarding sensitive government data and maintaining the integrity of federal information systems. Organizations that fail to comply with these guidelines risk exposing their networks to disproportionate and unacceptable risks, which could have far-reaching consequences for national security and operational continuity.
What's Next?
Federal agencies are required to take immediate action to address the risks posed by EOS edge devices. Within the next three months, agencies must inventory all devices listed in CISA's EOS edge device list and update them to supported software versions. Over the next year, agencies are expected to decommission identified EOS devices and establish a process for continuous discovery of edge devices within their networks. This proactive approach is designed to prevent exploitation by threat actors and ensure that federal networks remain secure against emerging cyber threats.









