Tootfinder

»8 Million Users' AI Conversations Sold for Profit by "Privacy" Extensions«
WTF?! Now don't tell me that this surprises you. Why do so many people still naively think to keep their privacy over VPN's for data-hungry big corporations?
🤷 https://www.koi.ai/blo…

8 Million Users' AI Conversations Sold for Profit by "Privacy" Extensions | Koi Blog

heise | Safari pimpen: Mit Erweiterungen für Mac, iPhone und iPad
Extensions befreien von Internet-Ärgernissen, verbessern die Suchfähigkeiten von Apples Browser oder erlauben bequemeres Surfen. Wir stellen 16 nützliche vor.

It's not Easy: Applying Supervised Machine Learning to Detect Malicious Extensions in the Chrome Web Store
Ben Rosenzweig, Valentino Dalla Valle, Giovanni Apruzzese, Aurore Fass
https://arxiv.org/abs/2509.21590

It's not Easy: Applying Supervised Machine Learning to Detect Malicious Extensions in the Chrome Web Store
Google Chrome is the most popular Web browser. Users can customize it with extensions that enhance their browsing experience. The most well-known marketplace of such extensions is the Chrome Web Store (CWS). Developers can upload their extensions on the CWS, but such extensions are made available to users only after a vetting process carried out by Google itself. Unfortunately, some malicious extensions bypass such checks, putting the security and privacy of downstream browser extension users a…

I handles many of important extensions, I’m liking it so far. But no safari extensions unfortunately, so missing my favourite blocker.
It is wicked fast though. https://social.vivaldi.net/@ianbetteridge/115634295732705020

@… has a nice writeup about the differences between Chrome extensions and WebExtensions https://www.howtogeek.com/what-is-a-webext

What is a WebExtension, and how is it different from a Chrome extension?
Building cross-browser extensions is easier than it used to be, but still tedious.

Guardio, which helps detect malicious code created with AI tools, raised $80M led by ION Crossover, and says it has 500K paying users and $100M in ARR in 2025 (Ivan Mehta/TechCrunch)
https://techcrunch.com/2025/11/19/security-startup-guardio-n…

Security startup Guardio nabs $80M from ION Crossover Partners | TechCrunch
Guardio is leveraging its experience building browser extensions and apps that scan for malicious and phishing sites to build a tool that looks for artifacts in code and websites made with vibe coding tools.