It will be a bummer to see how many downvotes I will get for saying this, but it’s 100% true: chromium is the most secure browser engine followed by webkit.
I don’t know what implementation transmits the least information, but in terms of number of known exploitable vulnerabilities there’s little question.
Librewolf for desktop, heard IronFox is good for mobile
My phone security has found 33 trackers in ironfox.
Dillo. Or Lynx/Links2
Tor Browser for both security and privacy, but you won’t like it because it’s slow.
Your question combines two separate features in the same way that the nearly useless question “which is the best and the cheapest” does. You could ask for the best quality/price -ratio. You can have great security with no privacy when you use a well-made big tech solution. You can have great privacy with low security when you choose a poorly made, easily hackable open-source solution.
I recently found Librewolf
Librewolf is the best answer I can think of, but I just can’t resist:
Have you seen the better browsing experience? It’s on Zen. It’s literally kb Librewolf. It’s on Floorp without ads. It’s literally on Waterfox. You can probably find it on Ironfox. Dude it’s on Ladybird. It’s a Servo original. It’s on GNOME Web. You can browse on GNOME Web. You can go to GNOME Web and browse it.
It’s a great start, but remember that no browser is 100% secure. Even LibreWolf can’t protect you if your OS is leaking data or if you’re not using a VPN/Tor.
did you just meat proxy us?
Vanadium on GrapheneOS and Trivalent on SecureBlue are the most security-focused. Firefox/Chromium/Safari-based browsers on desktop in general are decent for security. Avoid anything through Flatpak, and I believe Firefox-based browsers on Android are still behind as well. For Linux in general, Librewolf and Floorp don’t collect telemetry as far as I’m aware and have the most features. If you’re trying to be as anonymous as possible there’s other options as well.
Interesting point about Firefox on Android being behind. Do you think Vanadium is the only viable option there, or is there any other hardened browser for mobile that actually works?"
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I’m not fully knowledgeable on the state of browser security on Android, but based on some quick searches it seems that any updated Chromium browser on Android would have stronger security since they support isolated process sandboxes. Titanium browser looks like a decent alternative. Ironfox has some of its own strengths, but security isn’t one of them.
For Gecko, Librewolf is very strict.
Strict, yes. Invincible, no. It’s the best of the Gecko bunch, but it’s still not a silver bullet for privacy.
Definitely not invincible, I think one would be stuck with chromium forks and manifest v3 if security and privacy are key. There is really no silver bullet :(
Probably Lynx
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I disagree that the browser matters less than the sites. A leaky browser can expose your hardware fingerprints and IP before the site even loads its own scripts. Brave might block ads, but it doesn’t stop the underlying telemetry. If you want real isolation, you need something more hardened than Brave.
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curl
For even more safety, just read directly from the underlying socket.
