# Let's Encrypt

- **Website:** <https://lencr.org>
- **Primary alias:** `lencr.org`

## Description

Let's Encrypt is a well-known and trusted brand providing free, automated, and open certificate authority services. The organization, owned by the nonprofit Internet Security Research Group (ISRG), offers a domain, lencr.org, to host data referenced inside the certificates they issue. Although many people may have questions about their computer fetching data from lencr.org, it is important to note that this data is never malicious. Clients' connections to this domain are an essential part of the verification process for Let's Encrypt certificates. The data hosted on lencr.org helps clients confirm the authenticity and validity of certificates, and it includes Online Certificate Status Protocol (OCSP) data, Certificate Revocation Lists (CRLs), and copies of intermediate "issuer" certificates. Despite the connection being over insecure HTTP, these connections are routine for many clients. The choice of the domain name "lencr.org" reflects the brand's commitment to optimization and signifies its affinity with Let’s Encrypt while using minimal resources to serve billions of HTTPS connections per day.

## Industries

- 🖥 Computers Electronics and Technology
- 🖥 Computer Security _(under Computers Electronics and Technology)_

## Links

- [twitter](https://twitter.com/@letsencrypt)
- [linkedin](https://linkedin.com/company/lets-encrypt)
- [github](https://github.com/letsencrypt)

## Logos & icons

- icon _(primary)_ — JPEG — [download](https://cdn.brandfetch.io/idwy91btHv/w/400/h/400/theme/dark/icon.jpeg?c=1bxid64Mup7aczewSAYMX&t=1788926877833)

## Colors

| Name | Hex | Theme |
| --- | --- | --- |
| Web Orange | #ffa300 | accent |
| Regal Blue | #003a70 | dark |
| White | #ffffff | light |

## Imagery

- banner _(primary)_ — JPEG — [download](https://cdn.brandfetch.io/idwy91btHv/w/1128/h/191/idXGvk_j8w.jpeg?c=1bxid64Mup7aczewSAYMX&t=1788926877920)

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_Source: <https://brandfetch.com/lencr.org>_
_See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._