Isolating Identities
Compartmentalization is the practice of using different browsers (or browser profiles) for different types of online activity. By segregating your traffic, you prevent cross-site tracking and limit the blast radius of data breaches.
The Setup
- Browser A (The Vault): Used ONLY for banking, healthcare, and critical accounts. No extensions (except a password manager), strict cookie blocking. (e.g., Safari or clean Firefox profile).
- Browser B (The Daily Driver): Used for general browsing, reading, shopping. Hardened with uBlock Origin, set to clear cookies on exit. (e.g., Brave or hardened Firefox).
- Browser C (The Sandbox): Used for Google/Meta services (if you must use them). Keeps their pervasive tracking isolated from the rest of your browsing. (e.g., Edge or a specific Chrome profile).
Advanced: Firefox Multi-Account Containers
Instead of running multiple browsers, Firefox allows you to create "Containers." Each container has its own isolated cookie jar and local storage. You can assign Facebook to a specific container, ensuring it can never read cookies from your general browsing container.
Why it Works
Trackers rely on aggregating data over time. If you clear cookies frequently and isolate sessions, you appear as multiple distinct users with shallow profiles, rather than one user with a deep, highly valuable profile.