European law enforcement authorities arrested seven suspects and seized more than 100 servers in a joint action targeting an unnamed company suspected of providing fraudulent trading websites to criminal gangs. Supported by Europol and Eurojust, this coordinated international action involved authorities from Albania, Cyprus, Finland, Germany, Kosovo, and North Macedonia

Google has expanded its Cloud Vulnerability Reward Program (VRP) with a new top-tier reward for high-impact architectural security flaws. Starting this month, researchers can earn $250,000 for Root-in-Cloud bugs, including tenant-isolation bypasses and complex cross-service logic flaws that let attackers gain full administrative control over arbitrary Google Cloud organizations. “To

Hackers who breached Harvard University’s Alumni Affairs and Development systems in November 2025 stole data linked to more than 850,000 unique email addresses, according to breach notification service Have I Been Pwned. Harvard is a private Ivy League research university with over 20,000 faculty and staff, over 24,500 undergraduate and

Chinese hackers used ARTEX, an open-source, multi-agent AI penetration-testing framework, in attacks against more than 200 organizations across 14 countries. The operation began on October 17 and targeted government ministries, telecommunications providers, and organizations in the pharmaceutical, semiconductor, defense, nuclear, and financial sectors. The threat actor compromised at least nine

A critical flaw dubbed ‘HTTP2Shell’ in Brotli, the C decoder library built into Node.js, could allow attackers to corrupt memory and access sensitive data. The security issue is tracked as CVE-2026-111497 and is also known as “Broccoli2Shell” and “Node2Shell.” It affects Brotli versions 1.0.3 through 1.0.9, 1.1.0, and 1.2.0. The

Researchers found a malicious AGENTS markdown instruction file in a customer’s Downloads folder that tricked an AI coding agent into installing a rogue npm package. They reproduced the attack against OpenAI Codex and demonstrated a related technique against Claude Code to leak OAuth tokens and hijack the account using only

Microsoft says IT admins can re-enable the retired Exchange Web Services (EWS) API in Exchange Online to fix EWS apps that have stopped working. EWS is an API for developing apps that can access Exchange mailbox items (e.g., email messages, meetings, and contacts) from Exchange Online and on-premises Exchange servers.

Microsoft says Teams will begin using AI-powered phishing detection in early November 2026 to detect malicious behavior in messages. The rollout is part of a targeted release phase expected to end by mid-November, with the new security feature likely reaching general availability worldwide between early and mid-December. Microsoft first revealed

Copies of Rank Math PRO, the paid version of the Rank Math SEO plugin for WordPress, that were downloaded from rankmath.com or delivered as updates between 20:02 UTC on October 15 and 07:12 UTC on October 16 contained malware, Rank Math said in a security notice published on October 16.