ref: 241db8f78a2d9a34b04a66dc63c810955ce7647c
dir: /docs/content/en/showcase/letsencrypt/bio.md/
Let's Encrypt is a free, automated, and open certificate authority (CA), run for the public's benefit. It is a service provided by the [Internet Security Research Group (ISRG)](https://www.abetterinternet.org/).