Firewall is a secret organization sourcebook for both Eclipse Phase players and gamemasters.

It includes:

Details on Firewalls history, organization, and ongoing operations.
Firewalls notable people, locations, and internal factions.
Rival organizations, including the argonauts, Jovians, Titanians, and ultimates.
New traits, gear, and 16 sample characters

Firewall is a 200-page PDF (with layers, a hyperlinked table of contents, a hyperlinked index, and internal hyperlinks) and is Creative Commons (BY-NC-SA) licensed.

Eclipse Phase Second Edition Compatibility:

This title that was released for the First Edition of Eclipse Phase. It contains mostly setting material that is compatible with the upcoming Eclipse Phase Second Edition, but some material will need to be converted to use with it: morphs, gear, and other rules provided in their Game Information sections may be outdated, but are easily convertible. Any sample characters will also need to be converted.