- Never use Tor and non-Tor browsers simultaneously - Correlation attacks can link your Tor and non-Tor activities by timing.
- Never log into personal accounts - One login to your real Gmail through Tor links your anonymous session to your identity.
- Keep Tor Browser at default window size - Resizing creates a unique fingerprint. Tor Browser starts at a specific size to blend in.
- Don't install browser extensions - Extensions change your fingerprint and may leak data outside Tor.
- Use the highest security level you can tolerate - "Safest" disables JavaScript, which is the #1 de-anonymization vector.
- Never open downloaded files while connected - PDFs, DOCs, and other files can make external connections that reveal your IP.
Tor Tutorials
Tor Security Best Practices
Using Tor doesn't automatically make you anonymous. Your behavior determines your security. These best practices prevent the most common mistakes that Tor users make - mistakes that can reveal your real identity.
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Critical Rules
Advanced Protection
- Use VPN + Tor - Connect to a VPN first, then Tor. Your ISP can't see you use Tor.
- Use Tails or Whonix - Full OS-level protection instead of just browser-level.
- Separate identities completely - Each anonymous identity should use different circuits, different sessions, different behavioral patterns.
- Be aware of writing style analysis - Stylometry can identify you by how you write. Vary your style for different identities.
- Use cryptocurrency for payments - Monero (XMR) is preferred for privacy. Bitcoin is pseudonymous, not anonymous.
Common De-Anonymization Attacks
- Traffic correlation - An attacker watching both ends of your connection can correlate timing. Use VPN to prevent ISP-side observation.
- JavaScript exploits - Malicious JavaScript can reveal your real IP. Use "Safest" security level.
- Browser fingerprinting - Window size, installed fonts, timezone, and other browser properties can identify you. Don't modify Tor Browser.
- Behavior patterns - Logging in at the same time every day, using the same phrases, or accessing the same sites creates patterns.
Secure Your .onion Service with AnubizHost
If you're running a .onion service, server-side security is equally important. AnubizHost provides hardened Tor hosting with IP leak prevention, DDoS protection, and offshore jurisdiction - so your service is as secure as your browsing.
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Why Anubiz Host
100% async — no calls, no meetings
Delivered in days, not weeks
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Production-grade from day one
Security-first approach
Post-delivery support included
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