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

The Reprompt Copilot attack bypassed the LLMs data leak protections, leading to stealth information exfiltration after the ...

Copilot is quickly becoming the quiet organizer behind many people’s workdays, turning scattered files, emails, and chats ...

Microsoft has pushed back against claims that multiple prompt injection and sandbox-related issues raised by a security ...

Copilot for Microsoft 365 is getting auto-complete, rewrite, and more to improve AI prompts. Copilot for Microsoft 365 is getting auto-complete, rewrite, and more to improve AI prompts. is a senior ...

"Now that the code is open source, what does it mean for you? Explore the codebase and learn how agent mode is implemented, what context is sent to LLMs, and how we engineer our prompts. Everything, ...

Key Takeaway: Effective Microsoft Copilot adoption requires role-based user prompt training. Legal and compliance teams are empowered to maximize their investment in AI tools like Copilot and Copilot ...

Writing accurate prompts can sometimes take considerable time and effort. Automated prompt engineering has emerged as a critical aspect in optimizing the performance of large language models (LLMs).

The new essential tool in the current AI landscape is workflow recording. It's essentially a macro in the AI age. Rather than ...

In this post, we will share the most useful Microsoft Copilot AI prompts you must use daily. Copilot is Microsoft’s AI-powered chatbot that provides real-time assistance to automate our daily ...