The Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the U.K.’s National Cyber Security Centre (NCSC) are releasing this fact sheet to urge defensive action against malicious cyber activity by nation-state threat actors.
Nation-state threat actors exploit end-of-support (EOS) edge devices—including, but not limited to, load balancers, firewalls, routers, and virtual private network (VPN) gateways—to gain network access, maintain presence, and compromise sensitive data. Organizations using EOS devices are particularly vulnerable to compromise, especially if they are using EOS devices exposed to the public internet or external systems at the network’s “edge.”
Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Cisco has finally patched a maximum-level security issue
January 16, 2026
A maximum-severity vulnerability in certain Cisco products has finally been addressed after allegedly being exploited by Chinese hackers for several weeks. In mid-December 2025, the networking giant disclosed a remote code execution (RCE) vulnerability in AsyncOS that affects Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances. It tracked the flaw as CVE-2025-20393 ...
- Patch Tuesday – January 2026
January 14, 2026
Microsoft is publishing 114 vulnerabilities this January 2026 Patch Tuesday. Today’s menu includes just one vulnerability marked as exploited in the wild, as well as two vulnerabilities where Microsoft is aware of public disclosure. There are no critical remote code execution or elevation of privilege vulnerabilities. So far this month, Microsoft has already provided patches to ...
- Secure connectivity principles for Operational Technology (OT)
January 14, 2026
Operational technology (OT) environments – which have long been centred on safety, uptime, and operational continuity – are now more interconnected than ever. Driven by the need for increased efficiency, agility, and integration, these advancements offer significant operational benefits (such as real-time analytics, predictive maintenance and remote monitoring & administration), but they also introduce risks. Organisations ...
- Threat Brief: MongoDB Vulnerability (CVE-2025-14847)
January 13, 2026
On Dec. 19, 2025, MongoDB publicly disclosed MongoBleed, a security vulnerability (CVE-2025-14847) that allows unauthenticated attackers to leak sensitive heap memory by exploiting a trust issue in how MongoDB Server handles zlib-compressed network messages. This flaw occurs prior to authentication, meaning an attacker only needs network access to the database’s default port to trigger it. Read more… Source: ...
- UK government exempting itself from flagship cyber law inspires little confidence
January 10, 2026
From May’s cyberattack on the Legal Aid Agency to the Foreign Office breach months later, cyber incidents have become increasingly common in UK government. The scale extends far beyond these high-profile cases: the NCSC reports that 40 percent of attacks it managed between September 2020 and August 2021 targeted the public sector, a figure expected to ...
- 10 emergency directives retired as CISA declares them redundant
January 9, 2026
The US Cybersecurity and Infrastructure Security Agency (CISA) retired ten Emergency Directives (ED) it issued between 2019 and 2024, saying they achieved their purpose and are no longer needed. In a short announcement published on its website, CISA said the EDs have either been successfully implemented or are now encompassed through Binding Operational Directive (BOD) 22-01, ...