Why Your Browser Is the Weakest Link

Most data leaks start with the browser, not the network.

Elena Park

Privacy & Security

The Browser Knows First

Investigators worry about VPNs and Tor. Targets worry about HTTPS. Both miss the obvious: the browser knows everything before any of that matters.

What Leaks at the Browser Level

  • Cookies and localStorage tying sessions across sites.

  • Font fingerprints identifying your install.

  • Canvas hashes creating a unique device signature.

  • WebRTC leaks bypassing the VPN.

Where to Start

Hardening starts at the browser level, not the network. Without it, the rest is theatre.

It startswith one name.

URL import

File import

Custom fields

Project criteria

Bulk export

Profile scoring

Filling out a person's profile

It startswith one name.

URL import

File import

Custom fields

Project criteria

Bulk export

Profile scoring

Filling out a person's profile

It startswith one name.

URL import

File import

Custom fields

Project criteria

Bulk export

Profile scoring

Filling out a person's profile

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