Observed arrival · 2026-09-02

ExactMark — Trace Leaked Data Back to the Source

exactmark.dev Observed source

Editorial interest 78/100 Selection signal · not a rating of the site

A forensic attribution service that marks web pages, images, and documents so leaked copies can be traced to a viewer, recipient, or session.

Landing page captured for the 2026-09-02 issue.

Field notes

The service describes two marking paths: an SDK script for signed-in web applications and protected copies for uploaded images or PDFs. Its example evidence report includes a likely viewer, a session code, a page path, a UTC timestamp, and a 98.4% confidence score. Plans range from $29 monthly for one web app and 100 file markings to custom Enterprise arrangements; a separate Imprint option covers up to 10 recipient-linked copies without a monthly commitment.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

⊠LoginAccess appeared gated

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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