A prompt injection attack hit Claude Code, Gemini CLI, and Copilot simultaneously. Here's what all three system cards reveal — and don't — about agent runtime protection.

Microsoft assigned CVE-2026-21520, a CVSS 7.5 indirect prompt injection vulnerability, to Copilot Studio. Capsule Security discovered the flaw, coordinated disclosure with Microsoft, and the patch was ...

Prompt injection and data leakage are among the top threats posed by LLMs, but they can be mitigated using existing security logging technologies. Splunk’s SURGe team has assured Australian ...

Google is deploying a second AI model to monitor its Gemini-powered Chrome browsing agent after acknowledging the agent could be tricked into taking unauthorized actions through prompt injection ...

Read more about Agentic AI red teaming could become essential for securing future AI systems: Here's why on Devdiscourse ...

Penetration tests of AI systems expose significantly higher severe-flaw density when compared to legacy apps. New attack ...

You don't let kids just play with knives without teaching them how to use them...AI needs a similar approach. The Open Worldwide Application Security Project (OWASP) has started a new list detailing ...