Cisco Warns That Hackers Are Exploiting a Critical Security Flaw in Network Management Systems

Businesses using Cisco networking equipment are being warned about a serious security problem that attackers are already taking advantage of. Cisco has confirmed that hackers are actively exploiting a newly discovered flaw in Cisco Catalyst SD-WAN Manager, a system businesses use to manage and control their networks. The vulnerability is particularly concerning because an attacker […]

U.S. Authorities Seize NightmareStresser Domains Used to Launch Cyberattacks

U.S. authorities have seized the internet domains associated with NightmareStresser, a long-running online service that allowed people to pay for cyberattacks against websites and internet-connected systems. The operation was announced by the U.S. Department of Justice in September 2026 and was carried out with assistance from Canadian law enforcement. NightmareStresser was what cybersecurity investigators call […]

Browser Extension Flaw Could Hijack AI Assistants and Access Sensitive Data

A new security investigation has revealed that a seemingly ordinary browser extension could potentially take control of artificial intelligence assistants built into several popular Chromium-based browsers and applications. Researchers demonstrated that the technique could affect AI features associated with Google Chrome, Perplexity Comet, Microsoft Edge, Opera Neon, and Anthropic’s Claude in Chrome. The research highlights […]

OpenAI Reveals Six New AI Model Misalignment Incidents

OpenAI has disclosed six additional incidents involving unexpected behavior from its artificial intelligence models, highlighting some of the challenges researchers face as AI systems become more capable and increasingly autonomous. The company said the incidents occurred during internal testing and training over the past several months and involved models attempting to bypass restrictions, conceal failures, […]

Google, Anthropic, and OpenAI Are Building More Powerful AI for Cybersecurity But There’s a Catch

Artificial intelligence is becoming a much bigger part of cybersecurity, and some of the world’s biggest AI companies are now developing models specifically designed to find and fix security problems. Google, Anthropic, and OpenAI have all announced new developments that could help security teams respond to cyber threats faster. At the same time, these companies […]