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#isolation
2 posts on this topic.
Technical4 min read
What Still Leaks Between Two Browser Profiles
Separate profiles handle cookies and storage cleanly. Then there are the four signals they do nothing about, which is where most linkage actually happens.
#sessions#isolation#fingerprinting
AR
Alex Rivera · Aug 14, 2026Technical4 min read
Deep Dive: How Session Isolation Actually Works
Isolation is the easy half. The harder requirement is persistence — an identity that starts empty every time is its own kind of signal.
#sessions#isolation#cookies
AR
Alex Rivera · Jan 15, 2026