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 ...

The malware blends data theft with remote code execution, “turning a financially motivated stealer into a lightweight backdoor,” Microsoft said. Microsoft Threat Intelligence is warning Windows users ...

Microsoft Threat Intelligence and Microsoft Defender Experts identified a Windows-based cryptocurrency clipper that has affected users since February of 2026. Clipper malware relies on stealing ...

A variant of the PureLogs infostealer malware has been distributed through purchase-order-themed phishing emails that use a malicious JavaScript file to launch a multi-stage infection chain on Windows ...

This post was sponsored by JetOctopus. The opinions expressed in this article are the sponsor’s own. How do I optimize my site for ChatGPT and Perplexity, not just Google? How do I know if AI bots are ...

In the wake of a critical supply chain attack targeting the widely used Axios JavaScript library, like leading analyst from NST Cyber pointed out, Many CXOs community chief information security ...

ThreatDown’s EDR team discovered a sophisticated, multi-stage attack chain during an active investigation; the first documented case of attackers abusing the Deno runtime as a malware execution ...

A compromised Chrome extension with 7,000 users was updated to deploy malware, strip security headers, and steal cryptocurrency wallet seed phrases. A once-trusted Chrome extension with thousands of ...

Attackers are targeting developers with malicious Next.js repositories to perform remote code execution (RCE) and establish a persistent command-and-control (C2) channel on infected machines in a ...

Microsoft Defender Experts identified a coordinated developer-targeting campaign delivered through malicious repositories disguised as legitimate Next.js projects and technical assessment materials.