Let's Encrypt

letsencrypt.org

A nonprofit providing free TLS certificates to more than 700M websites.

Securitytlssslcertificateshttpscertificate-authorityopen-sourcenonprofit
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Let's Encrypt screenshot
/ About /

Let's Encrypt is a free, automated, and open Certificate Authority operated by the nonprofit Internet Security Research Group (ISRG). It issues TLS/SSL certificates to websites at no cost, enabling HTTPS encryption through the ACME protocol. The project secures over 700 million websites worldwide and is funded by donations and sponsorships.

/ How it works /

Website owners use ACME protocol clients to automatically request, validate domain control, and install free TLS certificates issued by Let's Encrypt.

/ Who it's for /

website owners and developers who need free SSL/TLS certificates

/ More info /

Background.

Status
launched
Business model
free
Company
Internet Security Research Group (ISRG)

Contact

/ Discovered patterns /

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