ref: a3fe5e5e35f311f22b6b4fc38abfcf64cd2c7d6f
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/).