Digital infrastructure for a more secure and privacy-respecting world. Let’s Encrypt has been awarded the Levchin Prize for Real-World Cryptography. We’re honored! Learn more about how we got here.
Peter Eckersley, a Let’s Encrypt co-founder, passed away unexpectedly on September 2, 2022.
Read moreJoin us in congratulating Christine Runnegar as our new Board Chair!
Read moreAs a longstanding member of ISRG’s Board of Directors, Richard Barnes shares his thoughts on our organization’s growth and change.
Read moreLet's Encrypt is a free, automated, and open Certificate Authority. More than 260 million websites around the world use Let's Encrypt certificates to provide security and privacy to their visitors.
Visit Let's EncryptProssimo is an effort to move the Internet's security-sensitive software infrastructure to memory safe code. We provide strategic planning, facilitation, and communication to bring memory safety to high impact projects.
Visit ProssimoDivvi Up is a privacy-respecting system for the collection of aggregate statistics such as application metrics. With Divvi Up, it's possible to technically enforce the promises of a privacy policy while still getting the valuable aggregate insights app makers need.
Visit Divvi Up