Let's Encrypt

Let's Encrypt
FormationNovember 18, 2014; 9 years ago (2014-11-18)
Founder
HeadquartersSan Francisco, California, U.S.
Coordinates37°48′01″N 122°27′00″W / 37.800322°N 122.449951°W / 37.800322; -122.449951
ServicesX.509 certificate authority
Parent organization
Internet Security Research Group
Budget (2019)
US$3.6 million[1]
Staff (2023)
27[2]
Websiteletsencrypt.org Edit this at Wikidata

Let's Encrypt is a non-profit certificate authority run by Internet Security Research Group (ISRG) that provides X.509 certificates for Transport Layer Security (TLS) encryption at no charge. It is the world's largest certificate authority,[3] used by more than 300 million websites,[4] with the goal of all websites being secure and using HTTPS. The Internet Security Research Group (ISRG), the provider of the service, is a public benefit organization.[5] Major sponsors include the Electronic Frontier Foundation (EFF), the Mozilla Foundation, OVH, Cisco Systems, Facebook, Google Chrome, Internet Society, AWS, NGINX, and Bill and Melinda Gates Foundation.[6] Other partners include the certificate authority IdenTrust,[7] the University of Michigan (U-M),[8] and the Linux Foundation.[9]

  1. ^ Aas, Josh (December 31, 2019). "Looking Forward to 2019". Let's Encrypt. Retrieved January 26, 2019.
  2. ^ "Building A Better Internet - ISRG 2023 Annual Report" (PDF). Internet Security Research Group. December 27, 2023. Retrieved May 27, 2024.
  3. ^ "For A Better Internet - ISRG 2020 Annual Report" (PDF). Internet Security Research Group. November 17, 2020. Retrieved May 11, 2021.
  4. ^ Cite error: The named reference le-stats was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Lets-Encrypt-About was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Lets-Encrypt-Sponsors was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference identrusted was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference founding was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference ISRG-LF was invoked but never defined (see the help page).