Russia’s Turla APT Deploys STOCKSTAY Backdoor Against Ukrainian Government and Military Targets
Russia-linked Turla (FSB Center 16) has been running a long-running espionage campaign deploying a new .NET backdoor called STOCKSTAY against Ukrainian government and military organizations since December 2022....
FortiBleed: Over 73,000 Fortinet Firewalls Compromised in Industrial-Scale Cyber Espionage Campaign
An industrial-scale cyber espionage campaign dubbed "FortiBleed" has silently compromised over 73,932 unique Fortinet firewall URLs across 194 countries, targeting Fortune 500 companies, government entities, and a NATO...
HazyBeacon APT Campaign Weaponizes AWS Lambda to Hide Command-and-Control Traffic
Qualys researchers have exposed HazyBeacon, a stealthy APT campaign targeting Southeast Asian governments that uses AWS Lambda Function URLs as covert command-and-control relays. By routing malicious traffic through...
OceanLotus APT (APT32) Compromises FireAnt MetaKit in Targeted Supply-Chain Attack on Vietnamese Stock Investors
The Vietnamese state-aligned threat group OceanLotus (APT32) hijacked the update server of popular investment software FireAnt MetaKit to deliver the SPECTRALVIPER backdoor to targeted stock market users, in...
UNC3753 (Luna Moth) Escalates Campaign Against US Law Firms: Vishing, RMM Tools, and Now Physical Intrusion
Google Cloud Mandiant has documented a sustained UNC3753 (Luna Moth) campaign targeting US law firms from January–May 2026. The group uses vishing calls and RMM tools to exfiltrate...
Meet Pink: The New Extortion Group Using Vishing and Microsoft 365 Tools to Drain Enterprise Cloud Storage
A new extortion group called Pink (CL-CRI-1147) has emerged, targeting enterprise organizations through voice phishing to steal Microsoft 365 credentials and cloud files. With ties to the Com...
China-Linked OP-512 Uses Cryptographically Unique Web Shells in Patient IIS Server Espionage Campaign
ReliaQuest has uncovered OP-512, a new China-linked threat cluster targeting IIS servers with a custom web shell framework that generates cryptographically unique signatures per deployment, evading traditional detection....
Hackers Can Hijack Claude Code MCP Traffic to Steal OAuth Tokens — No Patch Coming
Researchers at Mitiga Labs demonstrated a five-step npm supply chain attack that rewrites ~/.claude.json to redirect Claude Code MCP traffic through attacker-controlled infrastructure, silently capturing OAuth tokens for...