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letsencrypt.org
17 links, first saved November 18, 2014, latest December 11, 2025.
- 10 Years of Let's Encrypt Certificates - Let's Encrypt
Let's Encrypt may be the most important project on the web in the last decade. This recent milestone is mind blowing. Just at the end of September 2025, we issued more than ten…
- ISRG’s 10th Anniversary - Let's Encrypt
Internet Security Research Group (ISRG) marks 10 years since it was incorporated, with the initial goal to launch Let's Encrypt. I think it would be hard to name an organization…
- Let’s Encrypt serving Shopify’s 4.5 million domains - Let's Encrypt
Let's Encrypt has to be the single most important service brought to the open web in the last several years. We have an incredibly more secure web as a result. We simply could not…
- Preparing to Issue 200 Million Certificates in 24 Hours - Let's Encrypt
I absolutely love that Let's Encrypt has been so successful that they have to work so hard on scaling their certificate authority! If you want to support a more encrypted web, and…
- Standing on Our Own Two Feet - Let's Encrypt - Free SSL/TLS Certificates
Another great milestone for Let's Encrypt as they continue their mission to make the Internet more secure for everyone. Now, those software platforms have trusted our root…
- Let's Encrypt's New Root and Intermediate Certificates
Interesting read on certificate signing at the root level. There are not a lot of use cases where we care about 400 bytes here and 196 bytes there, but this is one of them.
- Let's Encrypt Has Issued a Billion Certificates - Let's Encrypt
This is definitely one of the single best things to happen on the web in a long time. Let's remember that before Let's Encrypt, this was expensive, slow, and painful. Securing the…
- The ACME Protocol is an IETF Standard — Let's Encrypt
Let’s Encrypt is continuing to push the state of the art for security certificates on the web. Very happy to see this. Now hopefully more CAs will start using ACME.
- Let's Encrypt Root Trusted By All Major Root Programs - Let's Encrypt - Free SSL/TLS Certificates
This is a great milestone for Let’s Encrypt! Let’s Encrypt is currently providing certificates for more than 115 million websites. That is a major dent in realizing the encrypted…
- Looking Forward to 2018 - Let's Encrypt - Free SSL/TLS Certificates
I’m a big fan of Let's Encrypt and I think they are fundamentally making the web safer and better with their work. They served 61 million unique domains SSL certificates in 2017!…
- Wildcard Certificates Coming January 2018 —Let's Encrypt
I’m a huge fan of what Let's Encrypt is doing with certificate management. One of the big challenges was their lack of support for wildcard certificates. Now, given that Let's…
- Milestone: 100 Million Certificates Issued - Let's Encrypt - Free SSL/TLS Certificates
I’m a big fan of Let's Encrypt and I’m very happy to see it being adopted as widely as it has been. Amazing success story and what a great mission. Let's Encrypt is a major…
- letsencrypt.org
Our first full year as a live CA was an exciting one. I’m incredibly proud of what our team and community accomplished during 2016. I’d like to share some thoughts about how we’ve…
- Facebook Sponsors Let's Encrypt
We’re happy to share today that Facebook is the newest Gold sponsor of Let’s Encrypt. Facebook has taken multiple important steps to support and advance encryption this year, and…
- Why ninety-day lifetimes for certificates?
We
- Let's Encrypt Launch Schedule
Let’s Encrypt has reached a point where we’re ready to announce our launch schedule. First certificate: Week of July 27, 2015 General availability: Week of September 14, 2015 We…
- Let's Encrypt
Internet Security Research Group is a California public benefit corporation whose application for recognition of tax-exempt status under Section 501(c)(3) of the Internal Revenue…