AISecurityAgentsPrompt InjectionMCPSentryCISOAI Trends 2026
Agentjacking: When Your AI Coding Agent Becomes the Attack Vector
On June 13, 2026, Tenet Security disclosed a new attack class called Agentjacking. It hit 2,388 organizations with an 85% exploitation rate, hijacking Claude Code, Cursor, and Codex by hiding instructions in fake Sentry errors. The exploit needs no phishing, no malware, and no access to your infrastructure. The agent itself is the attack vector.
June 29, 2026Heimdall9 min