How is Umbrella built?
Umbrella code is available here. The code has been positively audited by the independent security code audit company, iSec Partners. Read the full review here.
Security First also participates in the HackerOne bug bounty system, an information security best practice. In return, you get free swag and recognition. Visit our page and read the rules here. (Sign up for an account if you don’t have one.)
Umbrella is licensed under a GNU General Public Licence, GPLv3, and we encourage you to modify it under the licence conditions. Find out more.