Defense and military organizations face the most sophisticated threat actors in the cybersecurity landscape, including nation-state espionage programs targeting classified information, weapons systems, and defense supply chains. defend.network tracks threats to the defense industrial base, military networks, and cleared contractor environments.
China-linked UNC6508 maintained undetected access to North American medical, military, and academic research networks for over a year via compromised REDCap servers. Microsoft issued record 200 patches with evidence of active exploitation. Cisco SD-WAN vManage CVE-2026-20262 exploited in the wild.
CVE-2026-5027 in Langflow actively exploited for unauthenticated RCE; JDY botnet expands to 1,500 devices targeting U.S. military networks. CISA mandates 3-day patching for critical flaws.
Critical threats include FIRESTARTER backdoor persistence on federal Cisco devices, Russian military token theft via router exploitation, Chinese APT GopherWhisper attacks, and four actively exploited CISA KEV vulnerabilities with May 2026 federal patching deadline.
FIRESTARTER backdoor persists on federal Cisco infrastructure despite patches; Russian state actors harvesting Office tokens via router exploits; four critical CVEs added to CISA KEV with May 2026 deadline; APT campaigns targeting U.S. defense sector; AI-powered phishing escalates to personalized 1-to-1 attacks.
FIRESTARTER backdoor persists on federal Cisco infrastructure despite patches. Russian military intelligence harvesting Office tokens via router exploits. Chinese APT targeting NASA and defense sector with spear-phishing. AI-powered phishing and FakeWallet credential theft escalating.
APT28 deploys PRISMEX malware targeting NATO allies; 13-year-old ActiveMQ RCE and Russian router-based token theft critical; new botnets and healthcare ransomware disruptions.
Russian APT28 conducting large-scale DNS hijacking via compromised routers for token theft; Iranian hackers targeting U.S. critical infrastructure PLCs; critical Docker and Flowise vulnerabilities under active exploitation.
Nation-state campaigns targeting European governments and supply chain infrastructure. TA416 resumes targeting with PlugX. North Korean UNC1069 compromises Axios npm. Device code phishing surges 37x.
AI-powered autonomous cyber espionage, device code phishing at 340+ organizations, and critical infrastructure vulnerabilities require immediate defensive action across all sectors.
Russian intelligence conducting mass Signal/WhatsApp phishing; critical Oracle RCE vulnerability; Trivy supply-chain attack spreads CanisterWorm across 47+ npm packages; VoidStealer bypasses Chrome encryption; Iran-backed wiper attacks on medical technology.
This week's verified CVE activity is light, with only two explicitly identified vulnerabilities in the source material. The most urgent priority is CVE-2026-45659, which CISA reports as actively explo
This week presents an exceptionally high-risk threat landscape with multiple critical vulnerabilities under active exploitation across infrastructure, enterprise, and open-source ecosystems. Immediate
This week marks a significant surge in actively exploited vulnerabilities, with three critical flaws requiring immediate patching across IT infrastructure and OT systems. The Ollama out-of-bounds read
This week presents an exceptionally high-risk threat landscape dominated by active exploitation campaigns and critical infrastructure vulnerabilities. Federal agencies face an immediate Sunday deadlin
This week presents elevated risk from actively exploited vulnerabilities across network infrastructure, IoT devices, and enterprise software. Immediate patching is required for Cisco Firepower/ASA dev
This week presents elevated risk across OT/ICS sectors with multiple critical RCE vulnerabilities in industrial control systems and emerging threats to cloud infrastructure. Active exploitation of Mic
This week presents an elevated threat landscape dominated by actively exploited critical vulnerabilities in both IT and OT environments. Iranian-affiliated threat actors are actively targeting US crit
This week presents elevated risk with five critical vulnerabilities actively exploited in the wild, including FortiClient EMS and video conferencing systems requiring immediate patching. Organizations
This week reflects sustained critical threats across OT/ICS and enterprise systems with multiple actively exploited vulnerabilities. F5 BIG-IP APM (CVE-2025-53521) and Citrix NetScaler (CVE-2026-3055)
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