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BREAKING
CRITICAL · CVE-2025-7731 actively exploited in Fortinet FortiGate — CISA Emergency Directive 25-04 issued — patch immediately◆APT28 attributed to coordinated attacks on European energy grid infrastructure — NATO cyber alliance emergency session convened◆New Windows CLFS kernel zero-day exploited in targeted campaigns against defense contractors — patch in KB5040528◆FBI: $4.73B lost to cybercrime in FY2024 — ransomware primary vector for critical infrastructure attacks for third consecutive year◆Joint FBI-Europol operation dismantles 403,000-node HYDRUS botnet across 47 countries — three arrests confirmed◆Cloudflare reports 412% surge in DDoS amplification attacks targeting financial services sector Q1 2025◆Salt Typhoon remains active in U.S. telecommunications networks — Senate Intelligence Committee briefed on scope◆CRITICAL · CVE-2025-7731 actively exploited in Fortinet FortiGate — CISA Emergency Directive 25-04 issued — patch immediately◆APT28 attributed to coordinated attacks on European energy grid infrastructure — NATO cyber alliance emergency session convened◆New Windows CLFS kernel zero-day exploited in targeted campaigns against defense contractors — patch in KB5040528◆FBI: $4.73B lost to cybercrime in FY2024 — ransomware primary vector for critical infrastructure attacks for third consecutive year◆Joint FBI-Europol operation dismantles 403,000-node HYDRUS botnet across 47 countries — three arrests confirmed◆Cloudflare reports 412% surge in DDoS amplification attacks targeting financial services sector Q1 2025◆Salt Typhoon remains active in U.S. telecommunications networks — Senate Intelligence Committee briefed on scope◆
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LAW ENFORCEMENTMEDIUM

Operation NEXUS DRAIN: Joint Task Force Dismantles 403,000-Node Botnet Infrastructure

A coordinated takedown operation involving the FBI, Europol, and law enforcement agencies from 19 countries has disrupted a massive botnet used to conduct DDoS attacks, credential stuffing campaigns, and proxy-as-a-service operations.

Sentinel Staff·2025-06-04