Endpoint Security

Application Security
Huntress Discloses Windows Search URI Flaw That Leaks NTLMv2 Hashes
Huntress disclosed a Windows Search URI handler flaw that silently sends NTLMv2 hashes to attacker servers with one click. Microsoft declined to patch.
Cybersecurity
Russia’s FSB Claims Foreign Spies Installed Phone Surveillance Malware
Russia's FSB claimed foreign spies installed surveillance malware on senior officials' smartphones, naming Cloudflare and Fastly as alleged C2 infrastructure.
Cybersecurity
Sophos: AI Ransomware Toolkit Uses Claude Opus 4.5 for EDR Evasion
Sophos discovered a criminal ransomware framework using Claude Opus 4.5 and multi-agent AI pipelines to build and test 80 evasion-optimized malware modules.
Application Security
VS Code Zero-Day Exposes GitHub OAuth Tokens; No Patch Available
Researcher Ammar Askar publicly disclosed a VS Code zero-day that lets malicious extensions steal GitHub OAuth tokens, granting full repository access.
CVE Vulnerability Alerts
Google Patches Android Zero-Day CVE-2025-48595 Under Active Exploit
Google confirmed CVE-2025-48595, a no-interaction privilege escalation flaw in Android 14–16, is under active targeted attack. Patches arrive June 5.
Application Security
Red Hat npm Packages Backdoored with Miasma Credential Worm
Attackers backdoored 32 Red Hat npm packages with the Miasma worm, stealing CI/CD secrets, cloud keys, and SSH keys across roughly 80,000 weekly downloads.
Cybersecurity
SideCopy APT Targets Afghan Finance Ministry with Xeno RAT
Pakistan-attributed SideCopy APT used Pashto-language LNK lures against Afghanistan's Finance Ministry, deploying Xeno RAT for full system access and exfil.
Cybersecurity
PureLogs Infostealer Uses MSBuild.exe for Fileless Deployment
FortiGuard Labs documents PureLogs infostealer delivered via fake purchase order emails, using MSBuild.exe process hollowing to execute entirely in memory.
Cybersecurity
Gamaredon Hides USB Worm in NTFS Alternate Data Streams
Sekoia documents an active Gamaredon campaign using NTFS Alternate Data Streams to conceal USB worm modules targeting Ukrainian government networks.
Cybersecurity
Gamaredon Hides USB Worm in NTFS Alternate Data Streams
Sekoia documents an active Gamaredon campaign using NTFS Alternate Data Streams to conceal USB worm modules targeting Ukrainian government networks.