Articles tagged "browser-security"

4 articles found

An orange watercolor session token tethered by a short chain to a small device square — a credential bound to one device, unable to travel.

session-security cookie-theft infostealer

Session cookie theft: how Chrome's DBSC protects you — and where extensions still get in

Chrome 146's Device Bound Session Credentials make stolen session cookies useless on another machine. How DBSC works and the gap extensions still exploit.

Maxim Kosterin

June 29, 2026

9 min read

extension-security steganography malware

Malware hidden in extension icons: how to check your browser for GhostPoster

GhostPoster hid malware inside extension icon images for up to five years across Chrome, Firefox, and Edge. Here's how steganography works and what to check.

Maxim Kosterin

June 1, 2026

8 min read

A thin browser window outline with a single orange dot still glowing inside — a service worker that keeps running after you close the browser.

extension-security service-workers manifest-v3

The Chromium service worker flaw: how to protect your browser and extensions

Google accidentally exposed an unfixed Chromium service worker flaw that keeps background scripts running after you close the browser. Here's how to stay safe.

Maxim Kosterin

May 25, 2026

9 min read

vpn-extensions firefox privacy

Firefox's free built-in VPN reviewed: how it stacks up against VPN extensions

Firefox 149 ships a free built-in VPN with 50GB/month, no downloads needed. Here's how it compares to Proton VPN, Mullvad, and NordVPN extensions in 2026.

Maxim Kosterin

April 15, 2026

10 min read