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 helps maintain 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

Some states are considering charging you $20 for each device you want to use to surf the uncensored Internet. https://www.eff.org/deeplinks...

Apr 22 @ 2:27pm

Don't let U.S. entry screenings get even more privacy-invasive. https://www.eff.org/deeplinks...

Apr 21 @ 4:11pm

EFF's @evacide and ProPublica's @JuliaAngwin talk about protecting your privacy online on @NPR's Science Friday: http://www.sciencefriday.com/...

Apr 21 @ 3:26pm
JavaScript license information