Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.

Security researchers Varonis have discovered Reprompt, a new way to perform prompt-injection style attacks in Microsoft Copilot which doesn’t include sending an email with a hidden prompt or hiding ...

Miggo’s researchers describe the methodology as a form of indirect prompt injection leading to an authorization bypass. The ...

Researchers found an indirect prompt injection flaw in Google Gemini that bypassed Calendar privacy controls and exposed ...

While more and more people are using AI for a variety of purposes, threat actors have already found security flaws that can turn your helpful assistant into their partner in crime without you even ...

We are in the midst of a generational change, as the smartphones that already run our lives get their greatest ever capability boost. As AI is worked into everything, everywhere, it is increasingly ...

OpenAI's new GPT-4V release supports image uploads — creating a whole new attack vector making large language models (LLMs) vulnerable to multimodal injection image attacks. Attackers can embed ...

OpenAI unveiled its Atlas AI browser this week, and it’s already catching heat. Cybersecurity researchers are particularly alarmed by its integrated “agent mode,” currently limited to paying ...

Agentic AI browsers have opened the door to prompt injection attacks. Prompt injection can steal data or push you to malicious websites. Developers are working on fixes, but you can take steps to stay ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding Lifehacker as a preferred source for tech news. AI continues to take over more ...

Facepalm: Prompt injection attacks are emerging as a significant threat to generative AI services and AI-enabled web browsers. Researchers have now uncovered an even more insidious method – one that ...