The following information is only intended to discuss how to protect personal privacy and anonymity under legal conditions, and does not encourage or support any illegal activities. Before using or implementing these strategies, please be sure to understand and comply with the laws and regulations in your area, and be vigilant about possible risks. Here are some common strategies and tools for reference: 1. Protect network traffic privacy a. Virtual private network (VPN): Choose a reputable VPN provider with a clear no-logging policy to encrypt and hide your network traffic. Remember that different countries have different regulatory standards for VPNs, so you need to pay attention to legal requirements when using them. b. Tor network: The Tor browser obfuscates Internet traffic through multiple layers of relay nodes to increase anonymity. However, using Tor may reduce access speeds, and be aware of the restrictions on Tor traffic on some websites and services. 2. Security at the operating system and device level a. Privacy-customized operating systems: For example, Tails (a Linux-based active system that can be booted from USB and all traffic is forced to pass through the Tor network) or Whonix (an isolated virtual machine design that can further reduce digital footprints). b. Secure device configuration: Keep the operating system and applications updated, use antivirus software, and turn off unnecessary network services to reduce potential security vulnerabilities. 3. Encrypted communication tools a. Message encryption: Use end-to-end encrypted communication software (such as Signal, WhatsApp, Wire, etc.) to protect private communications. b. Email encryption: For example, PGP (OpenPGP) can be used to encrypt email content to prevent information from being stolen or tampered with during transmission. 4. Online identity and behavioral habits a. Use separate identities: Avoid directly linking your real identity with your online account. Create separate accounts for different purposes and try to avoid sharing the same information on multiple platforms. b. Continuously learn and practice operational security (OPSEC): Regularly review your online activities and consciously reduce traces that may expose personal information. c. Anti-tracking at the browser and behavior level: Use privacy-enhanced browsers (such as Firefox's privacy mode, Brave browser) or install content blocking and anti-tracking plug-ins (such as uBlock Origin, Privacy Badger) to reduce the possibility of being tracked. 5. Other considerations a. Use anonymous payment methods: If payment may be required, you may consider cryptocurrency or other anonymous payment methods, but you must also understand the risks of using them. b. Separate work and private: If you need to conduct sensitive activities on the Internet, it is recommended to use hardware and accounts that are completely separate from your daily activities to reduce the risk of being associated with each other. c. Regularly check and update security measures: Network threats and technologies are constantly being updated, and it is important to continue to learn the latest anonymity and security technologies. In short, although existing tools and strategies can reduce the risk of being tracked to a certain extent, no system can guarantee 100% anonymity and security. Please use it in combination with actual needs and risk assessment to avoid exposing private information in unclear circumstances. If your purpose is more sensitive, it is recommended to consult information security professionals for more targeted advice.