http://darknetsrvqlssdnli6mgoqxud4krgu3hqm62d7whu3gl6xj22fkyaid.onion/read/browser-vulnerabilities-how-they-work-and-how-youre-exploited
Use Tails or Whonix — if the browser is compromised, ephemeral OS saves your ass. Don’t keep Tor open for hours. The longer you're online, the higher the chance of being targeted. ☠ Real-World Example Operation Torpedo (2012–2017): FBI exploited a Firefox bug in Tor Browser to deanonymize CP forum users.