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 ...

If you're a fan of ChatGPT, maybe you've tossed all these concerns aside and have fully accepted whatever your version of what an AI revolution is going to be. Well, here's a concern that you should ...

OpenAI built an "automated attacker" to test Atlas' defenses. The qualities that make agents useful also make them vulnerable. AI security will be a game of cat and mouse for a long time. OpenAI is ...

In the nascent field of AI hacking, indirect prompt injection has become a basic building block for inducing chatbots to exfiltrate sensitive data or perform other malicious actions. Developers of ...

Security leaders must adapt large language model controls such as input validation, output filtering and least-privilege access for artificial intelligence systems to prevent prompt injection attacks.

Forbes contributors publish independent expert analyses and insights. AI researcher working with the UN and others to drive social change. Dec 01, 2025, 07:08am EST Hacker. A man in a hoodie with a ...

As troubling as deepfakes and large language model (LLM)-powered phishing are to the state of cybersecurity today, the truth is that the buzz around these risks may be overshadowing some of the bigger ...

Sydney is back. Sort of. When Microsoft shut down the chaotic alter ego of its Bing chatbot, fans of the dark Sydney personality mourned its loss. But one website has resurrected a version of the ...

Bing added a new guideline to its Bing Webmaster Guidelines named Prompt Injection. A prompt injection is a type of cyberattack against large language models (LLMs). Hackers disguise malicious inputs ...