OpenAI has expanded the availability of its GPT-5.3-Codex model to third-party developers via API and Microsoft Foundry.

Windows Search is not exactly straight-up horrible. It does work, at least for me most of the time, but the catch is that it’s now a cluttered mess. I recently noticed that the Windows Search homepage ...

One of the weirdest corners of the Internet is suddenly hard to find on Bing, after the search engine inexplicably started blocking approximately 1.5 million independent websites hosted on Neocities.

Abstract: This tutorial serves as an introductory guide to Monte Carlo tree search (MCTS), a versatile methodology for sequential decision making under uncertainty through stochastic/Monte Carlo ...

In January 2026, Microsoft Defender Experts identified a new evolution in the ongoing ClickFix campaign. This updated tactic deliberately crashes victims’ browsers and then attempts to lure users into ...

We introduce IGPO, a RL algorithm for fine-grained credit assignment in search agent training. By modeling agentic search turns as an incremental information acquisition process, IGPO defines rewards ...

Microsoft has warned that information-stealing attacks are "rapidly expanding" beyond Windows to target Apple macOS environments by leveraging cross-platform languages like Python and abusing trusted ...

Bing's new multi-turn search is now global. As you scroll, a Copilot box appears at the bottom so follow-ups build on the last query. Microsoft today rolled out multi-turn search globally in Bing. As ...

Infostealer threats are rapidly expanding beyond traditional Windows-focused campaigns, increasingly targeting macOS environments, leveraging cross-platform languages such as Python, and abusing ...

“We are only at the beginning phases of AI diffusion and already Microsoft has built an AI business that is larger than some of our biggest franchises,” said Satya Nadella, chairman and chief ...