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

Reprompt impacted Microsoft Copilot Personal and, according to the team, gave "threat actors an invisible entry point to perform a data‑exfiltration chain that bypasses enterprise security controls ...

That warning concerns what is known as a browser-in-the-browser attack and, according to the Trellix security boffins, is an ...

Prompt engineering is the practice of writing clear, purposeful inputs that guide AI models to deliver accurate and context-aware outputs. It’s become a foundational skill across AI-assisted workflows ...

Prompt engineering is essential for maximizing AI’s capability, emphasizing the importance of precise input for quality output. AI collaboration should be iterative and precise, with role-based ...

You’ve heard the gospel: AI is going to change everything. Good, great, grand. But when you’re staring down a deadline and 80 unread emails, you don’t need philosophy, you need a cheat sheet. The ...

1Password today announced a redesigned unlock system for Mac and Windows that allows the app to open automatically when a user unlocks their device. The new setting lets 1Password unlock alongside the ...

We’ve all been there—sitting in front of a blinking text box, about to ask an AI for help, and suddenly your mind goes blank. You type a sentence, hit enter, and ...

New AI-powered web browsers such as OpenAI’s ChatGPT Atlas and Perplexity’s Comet are trying to unseat Google Chrome as the front door to the internet for billions of users. A key selling point of ...

Mr. Witt is the author of “The Thinking Machine,” a history of the A.I. giant Nvidia. He lives in Los Angeles. Oct. 10, 2025 How much do we have to fear from A.I., really? It’s a question I’ve been ...