How ‘Reprompt’ Attack Let Hackers Steal Data From Microsoft Copilot

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

Microsoft released Windows 11 KB5074108 KB5074208 KB5073454 setup, recovery updates

Microsoft released new updates for Windows 11 and10 this past week under KB5074108, KB5074208, KB5073454, and more, for OS ...

Here is how many Copilots Microsoft actually has

Microsoft can't help but turn everything into a Copilot these days, making its product portfolio more confusing. Here is how ...
PCMag

You Can Finally Uninstall Microsoft's Copilot App, But It's Tricky

Ever since the tech giant started automatically installing Copilot across Windows 10 and 11 PCs in 2023, Microsoft has ...

One click is all it takes: How ‘Reprompt’ turned Microsoft Copilot into a data exfiltration tool

A new one-click attack flow discovered by Varonis Threat Labs researchers underscores this fact. ‘Reprompt,’ as they’ve ...
BGR

Microsoft Discontinued One Of Its Only Useful Smartphone Apps After Only 4 Years

Just a few months after Microsoft announced it would discontinue Publisher, one of its oldest Office applications, the company revealed it will stop supporting its Microsoft Lists mobile app. The tech ...
Forbes

Microsoft Worm Attack Warning — Act Rapidly And Change Passwords Now

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Updated December 13 with news of a zero-day exploit that ...
GeekWire

With earnings on tap, Microsoft touches $4 trillion again after reaching OpenAI deal

With a new OpenAI partnership in hand, Microsoft is going into its earnings report Wednesday afternoon with a resolution to one of the biggest questions about its business. The company’s market value ...
Wall Street Journal

Microsoft Closes With $4 Trillion Market Cap

Microsoft's 2% gain today has given it a market value greater than $4 trillion for the first time on record. It briefly traded above that level in July and August and first closed above $3 trillion in ...
CNET

Microsoft Launches Mico, an Official Clippy Successor, in Its Copilot AI Fall Release

Blake has over a decade of experience writing for the web, with a focus on mobile phones, where he covered the smartphone boom of the 2010s and the broader tech scene. When he's not in front of a ...
marktechpost

How I Built an Intelligent Multi-Agent Systems with AutoGen, LangChain, and Hugging Face to Demonstrate Practical Agentic AI Workflows

In this tutorial, we dive into the essence of Agentic AI by uniting LangChain, AutoGen, and Hugging Face into a single, fully functional framework that runs without paid APIs. We begin by setting up a ...
Bleeping Computer

Microsoft fixes highest-severity ASP.NET Core flaw ever

Earlier this week, Microsoft patched a vulnerability that was flagged with the "highest ever" severity rating received by an ASP.NET Core security flaw. This HTTP request smuggling bug (CVE-2025-55315 ...