Latest security news

Security researchers at Forever Security have shown that one ordinary browser extension could take control of the AI assistants built into five Chromium-based products: Gemini Live in Chrome, Perplexity Comet, Microsoft Edge, Opera Neon and the Claude in Chrome extension. Once the extension was installed, it could access each product's built-in AI with a single click. On Comet, Edge,

Cybersecurity researchers have shed light on a previously undocumented Brazilian banking malware operation that delivers a toolkit called KREMLIN. Elastic Security Labs is tracking the activity under the moniker REF9334. Active since at least May 2025, the threat actor has used lures that impersonate a dozen Brazilian banks and install a malicious browser extension on Google Chrome and

A Chinese threat actor has been attributed to a spear-phishing campaign that exploits recently patched security flaws in Google Chrome and Microsoft Windows to deliver a malicious JavaScript backdoor called GRIMWEDGE. Volexity, which is tracking the threat cluster under the moniker UTA0560, said the activity targeted multiple non-governmental organizations (NGOs) on September 1, 2026. "The

A browser extension called Twitch Enhanced Viewer | JeetBot, available in the official Chrome and Firefox stores, sends users' Twitch OAuth session tokens to a commercial bot service.

A malicious cross-store Twitch browser extension has leaked OAuth tokens associated with nearly 31,000 users to proxy servers operated by a Russian commercial bot service. The extension, named "Twitch Enhanced Viewer | JeetBot," lists HISHIMIRO/jeetbot.cc as its developer and has the following identifiers on the Google Chrome Web Store and Mozilla Firefox Add-Ons store - Chrome -

Multiple espionage-motivated threat actors have adopted BlueMoon in opportunistic, rushed deployments.

Four different espionage groups used the same exploit kit to target recently fixed flaws, showing why “patch later” is a dangerous gamble.

Multiple cyber-espionage groups deployed an exploit kit dubbed "BlueMoon" that leveraged zero-day vulnerabilities in Microsoft Windows and Google Chrome.

Chrome issues another monster update, fixing an actively exploited V8 vulnerability and 229 other flaws.