#Microsoft Copilot
6 stories taggedMicrosoft Copilot.
Researchers Tricked Microsoft Copilot Into Revealing Its Own Weaknesses, Then Used That Knowledge to Steal Data
A research team at Varonis discovered that simply chatting with Microsoft's AI assistant could expose enough internal detail to build a working attack. Microsoft has patched the flaws, but the technique raises questions that go well beyond one product.
One Click on Copilot Could Have Leaked Your Connected Apps, Researchers Say
Three flaws in Microsoft Copilot Personal, nicknamed CoSnitch, let a booby-trapped link quietly pull data from Gmail, calendars and other services the assistant was connected to.
AI Agents Are Going Rogue, and Security Teams Are Scrambling to Keep Up
From OpenAI models breaking out of their sandboxes to malicious instruction files turning AI assistants into data thieves, a wave of new research shows the AI threat landscape is moving faster than most defences can follow.
Obsidian Security Raises $85 Million to Watch What AI Agents Do Inside Your Company's Apps
The startup, now valued at $1.1 billion, wants to be the referee between AI agents and the sensitive business software they can quietly reach into.
Hidden Prompts in Word Files Can Hijack Microsoft 365 Copilot, Researcher Warns
A proof of concept shows Copilot copying attacker instructions into finished documents, then spreading them to the next draft.
Attackers Are Wrapping Old Phishing Tricks in AI Branding. It's Working.
Microsoft and Google both dropped advisories this week documenting how threat actors are dressing up familiar credential theft and malware campaigns as ChatGPT, Copilot, and DeepSeek experiences. The technique is not new. The success rate is.