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

¿En el #LACIGF2016? El martes compartiremos el informe: Vigilancia y privacidad en 13 países de America Latina

Jul 23 @ 6:52am

25 Members of Congress have launched a new bipartisan caucus to defend Fourth Amendment rights: https://www.eff.org/deeplinks...

Jul 22 @ 5:49pm

EFF & @APC_news are in Costa Rica for the #LACIGF2016. Join us for our join human rights event on July 26 at 9:00AM

Jul 22 @ 12:57pm
JavaScript license information