Jacob Hoffman-Andrews

Senior Staff Technologist

Jacob is a lead developer on Let's Encrypt, the free and automated Certificate Authority. He also works on EFF's Encrypt the Web initiative and is a maintainer on the HTTPS Everywhere browser extension.

Prior to working at EFF, Jacob was on Twitter's anti-spam and security teams. One the security team, he implemented HTTPS-by-default with forward secrecy, key pinning, HSTS, and CSP. On anti-spam, he deployed new machine-learned models to detect and block spam in realtime.  Before Twitter, he worked at Google, variously on the maps, transit, and shopping teams.

Stay in Touch

NSA Spying

EFF is leading the fight against the NSA's illegal mass surveillance program. Learn more about what the program is, how it works, and what you can do.

Follow EFF

It's time for @POTUS to affirmatively end the war on secure communications. https://www.eff.org/deeplinks...

Oct 27 @ 6:06am

Happy 20th birthday to our friends @InternetArchive. Here's to 20 more years of archiving our shared digital history.

Oct 26 @ 8:42pm

Trade agreements like the TPP don't consider open access policy. If anything, they undermine open access. https://www.eff.org/deeplinks... #OAWeek

Oct 26 @ 5:33pm
JavaScript license information