stealth – CyberSecurityBoard

Critical CVEs

AWS, Google, and Vercel Patch Agent Flaws Allowing Tool Execution Without Model Authorization

Security researchers have uncovered a class of vulnerabilities in agent infrastructure from Amazon Web Services (AWS), Google, and Vercel that allow attackers…

Agent Infrastructure AI Security Amazon Bedrock AgentCore Amazon Web Services

August 6, 2026

Cyber Companies

Stealth Researchers Discover CoreBreak

Co-founders Hedi Ingber and Aviyam Ivgi of Stealth presented the CoreBreak pattern at Black Hat USA 2026, revealing vulnerabilities in AWS, Google,…

Black Hat USA 2026 CoreBreak stealth

August 6, 2026

Malware

Backdoor.Turn Remote Access Trojan

Backdoor.Turn is a custom Go-based RAT that conceals C2 traffic inside Microsoft Teams relay infrastructure using TURN relays and QUIC sessions, supporting…

Backdoor.Turn C2 Microsoft Teams QUIC

June 25, 2026