https://motherboard.vice.com/en_us/article/zm9jd4/old-school-sniffing-attacks-can-still-reveal-your-browsing-history > Most modern browsers—such as Chrome, Firefox, and Edge, and even browsers such as FuzzyFox and DeterFox (different, security-focused versions of Firefox)—have vulnerabilities that allow hosts of malicious websites to extract hundreds to thousands of URLs in a user’s web history, per new research from the University of California San Diego. > What’s worse, the vulnerabilities are built into the way they structure links, meaning that major structural changes will have to take place in these browsers in order to protect user privacy. The only browser that was immune to the attacks was Tor Browser, as the browser does not keep track of a user’s internet history.