Spread the Word

  • Review Umbrella on Google Play or Amazon.
  • Follow us on Facebook or Twitter .
  • Share Umbrella with your team.
  • Tell us how we can help you stay secure! Drop us an email, we'd love to hear from you.


We warmly welcome corrections that will improve Umbrella content. Send us an email at any time.
We’re also designing a collaborative workflow to help you submit corrections. Visit our content repo or read our tutorial on how to contribute content for Umbrella.


We are always looking for volunteers for app testing and quality assurance. Drop us an email if you can help.


Umbrella is being translated into more than a dozen languages, and you can help.

  1. Create a free account with Transifex.
  2. Click Help Translate Umbrella App.
  3. Choose your language and translate something. Even a single sentence helps!

The awesome Localization Lab manage volunteer translators for Umbrella (read their guide here). If you are an organisation, the fastest way to see Umbrella in your language is to donate money for us to hire a translator. Thank you!


Wanna write code people rely on daily to make life or death decisions? We would love your help, especially in the following areas:

  • Android (Java/Kotlin) development
  • iOS development (iOS is coming soon!)
  • Golang development
  • React development
  • Gamification
  • UI/UX

Take a look at our code on GitHub.


Help us feed our developers. If you are interested in funding any of our work, please get in touch by email


Donate BitCoin to 13ELGTYhHdKvgiRCquANYFq6EZRj21C3R9.

Bug Report

If something is broken, please let us know so we can fix it! Report bugs by creating an issue on GitHub (https://github.com/securityfirst/Umbrella_android/issues) or drop us an email.

Responsible Disclosure and Bug Bounty

If you find a security critical issue, please read our responsible disclosure policy.

Security First 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.)

Say hello in real life

Our team are based in Dublin, San Francisco, Madrid, Bristol and London. Let’s grab a coffee. Drop us an email at info@secfirst.org.