Microsoft disrupted StegoAd, a malicious browser extension campaign affecting up to 2.6 million users. StegoAd used hidden payloads, delayed execution and steganography to evade browser security ...

Microsoft found a fake Perplexity AI Chrome extension that rerouted searches through attacker servers. Here’s what users ...

Microsoft warns that MCP tool descriptions can be manipulated to redirect AI agents, exposing sensitive data through trusted ...

Today:Early fog in the far southwest clears quickly. Most areas stay dry with sunshine and variable cloud, though northern and northeastern regions may see isolated showers. Light winds overall, ...

Partner with Microsoft to strengthen our products and services by identifying and reporting security vulnerabilities that could impact our customers. The Microsoft Open-Source Bounty Program invites ...

It's been one of those weeks. You expect the usual noise: recycled malware, sloppy attacks, another easy target getting hit. Instead, there's a supply chain attack ...

Your AI agents call tools, browse the web, query databases, and delegate to other agents. Once deployed, they make decisions autonomously. You need answers to three questions: 2. Which agent did this?

This week’s security news is mostly about weak spots. Browsers, bots, sandboxes, AI systems, and email flows all show the same problem in different ways. Everything looks normal until someone tests a ...

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Explore the latest news and expert commentary on Application Security, brought to you by the editors of Dark Reading ...