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

AI Copilot in Excel helps clean dates, split columns, and add currency formats, so you save time and make faster, clearer decisions.

In this tutorial, I show you how to make a logo reveal with Saber. Saber and Color vibrance are free plugins of Video Copilot ...

Reprompt is a Copilot exploit, that can use multi-stage prompts to steal user data, but thankfully it's already been patches.

Learn Microsoft Copilot basics, free and paid differences, and prompt tips to draft Outlook replies faster and summarize ...