Safest browser in 2026? Chrome, Edge, Opera, Brave, Firefox and Safari by the numbers – three engines, 15 zero-days

Graphic: 6 browsers, 3 engines, 15 zero-days - engine market share Blink/Chromium ~79%, WebKit ~16%, Gecko ~3%

Today’s post is for anyone who has ever wondered whether Chrome is “full of holes” and Firefox is “safe”. You have six browsers on your desktop, but under the hood there are only three engines – and it’s the engine, not the logo, that decides whether someone takes over your laptop after a single click on a link. This year Google has already fixed seven Chrome holes that were exploited in attacks before a patch existed, and every one of them also sat in Edge, Opera and Brave. I ran the numbers for 2025 and 2026: zero-days, CVEs, patch speed, money spent on security teams and where data really gets lost. At the end you’ll find my “seven laws of browser security” and what I would pick myself. Spoiler: the safest browser is the one that’s up to date. Continue reading →