After issuing 1.7M certificates, Let’s Encrypt CA officially leaving beta

Let’s Encrypt, the non-profit Certificate Authority (CA) backed by the Electronic Frontier Foundation, Mozilla, Cisco, Akamai, and others, is ready to be considered a stable offering.

“Since our beta began in September 2015 we’ve issued more than 1.7 million certificates for more than 3.8 million websites. We’ve gained tremendous operational experience and confidence in our systems. The beta label is simply not necessary any more,” explained Josh Aas, Executive Director of the Internet Security Research Group (ISRG), a public benefit corporation running the Let’s Encrypt CA.

The CA’s goal – “to encrypt 100% of the Web” – is still far off, but the number of issued certificates has risen steeply since the CA’s inception:

Number of certificates issued by Let's Encrypt CA

Aas also announced that the CA’s founding sponsors Cisco and Akamai have renewed their sponsorships, and Gemalto, HP Enterprise, Fastly, Duda and have also joined the considerably long list of sponsors.

Let’s Encrypt CA automatically issues and manages free certificates for any website that needs them, and simplifies the process of switching from HTTP to HTTPS so that site admins need not waste much time on it.

Only two days ago Automattic announced that they have partnered with Let’s Encrypt to get free SSL certificates for the million-plus custom domains hosted on

The CA has demonstrated its wish to gain the users’ trust by hiring outside experts to conduct a security review of its software and the protocol it uses for automatic certificate issuance and management, and by issuing its first transparency report even before issuing its first certificate.

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