Let's Encrypt

@letsencrypt

A nonprofit Certificate Authority providing TLS certificates to 260M websites, a project from

@I_S_R_G

We're hiring! abetterinternet.org/careers

San Francisco, CAletsencrypt.org/donateJoined November 2014

2 Following

93.4K Followers

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Let's Encrypt

@letsencrypt

Aug 15

Have you ever looked at your pet and wondered what they would encrypt? We have! Follow along the next few weeks as Let's Encrypt becomes Pet's Encrypt, and we dive into the security topics that matter to our furry friends. #petsencrypt letsencrypt.org

Let's Encrypt

@letsencrypt

58m

Noinoi requests that everyone encrypt their correspondence so that they'll really truly definitely never know that it was him who took the king. #petsencrypt letsencrypt.org

An orange cat sits proudly on a chessboard. A kitchen with light brown wooden cabinets is behind him. Text over a blue background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Let's Encrypt

@letsencrypt

23h

Rosie sleeps soundly after a long day of encrypting, at peace knowing her blanket is secure. What do you encrypt before the end of your work day? #petsencrypt letsencrypt.org

A white cat with brown spots is asleep on a grey blanket. Text over a teal background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Let's Encrypt

@letsencrypt

Aug 30

We're excited to welcome Christine Runnegar as our new Board Chair! Read about her involvement with

@I_S_R_G

here:

abetterinternet.org

Christine Runnegar is Elected to Chair ISRG’s Board of Directors

Christine Runnegar has recently assumed ISRG’s Board Chair duties. Please join me in welcoming her to this new role. As a member of the ISRG Board of Directors since 2018, Christine has contributed...

Let's Encrypt

@letsencrypt

Aug 30

A special thank you to our platinum sponsor @googlechrome@Google for all of their support!

google.com

Google Chrome - Download the Fast, Secure Browser from Google

Get more done with the new Google Chrome. A more simple, secure, and faster web browser than ever, with Google’s smarts built-in. Download now.

Let's Encrypt

@letsencrypt

Aug 30

Every donation gets us one step closer to a more secure and privacy-respecting Web. Support Let's Encrypt and our sibling projects today with a one-time or recurring donation:

letsencrypt.org

Donate

We're making it possible for everyone to experience a secure and privacy-respecting Web. We make it easy to get certificates for HTTPS, because ease of use is critical for adoption. We provide...

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Let's Encrypt

@letsencrypt

Aug 29

Winnie supports Pets Encrypt! She would like all traffic encrypted, including rumbling trucks so she can enjoy her walks without hearing them. #petsencrypt letsencrypt.org

A small grey-brown dog stands with its paws spread on concrete. She has a purple harness and leash. She is stalling while her guardian tries to walk in a different direction. Text over a teal background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Let's Encrypt

@letsencrypt

Aug 28

Our parent organization

@I_S_R_G

is nearing its 10th year of supporting a more secure and privacy-respecting Internet. With three projects and just 24 employees, we're hard at work making the Web secure for everyone.

abetterinternet.org

About Internet Security Research Group

Mission Our mission is to reduce financial, technological, and educational barriers to secure communication over the Internet. History ISRG was founded in May of 2013 to serve as a home for public-...

Let's Encrypt

@letsencrypt

Aug 28

Bandit wants to anonymously and confidentially demand food so she can demand more food 30 minutes later. Full bellies, that's just one more benefit of Pets Encrypt! #petsencrypt letsencrypt.org

A black and white cat stands on kitchen tiles and stares at the camera. Text over a teal background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Let's Encrypt

@letsencrypt

Aug 28

Our sponsors and funders are businesses from around the Web and across the globe. They make our work possible through yearly contributions.

letsencrypt.org

Current Sponsors and Funders

We'd like to thank all of our sponsors and funders for making Let's Encrypt possible. If you or your organization would like to sponsor or donate to Let's Encrypt please click here. Platinum Gold...

Let's Encrypt

@letsencrypt

Aug 27

Question: What does it cost to use Let’s Encrypt? Is it really free? Answer: Yes, it really is free! Our services are free and easy to use so that every website can deploy HTTPS. Have more questions about Let's Encrypt? Visit our FAQ👇

letsencrypt.org

FAQ

This FAQ is divided into the following sections: General Questions Technical Questions General Questions What services does Let’s Encrypt offer? Let’s Encrypt is a global Certificate Authority (CA)....

Let's Encrypt

@letsencrypt

Aug 27

Sakura loves Pets Encrypt for securing the submission of her agility competition applications. What do your pets love about Internet security? #petsencrypt letsencrypt.org

A Chinese crested dog with black fluffy ears looks at the camera with his tongue out. Text over a teal background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Let's Encrypt

@letsencrypt

Aug 26

Our Oak log is the only one of the qualified CT logs that runs on an entirely open source stack! If you're interested in learning about how Oak operates, visit our blog post written by

@ciphercoffee

letsencrypt.org

Nurturing Continued Growth of Our Oak CT Log

Let’s Encrypt has been running a Certificate Transparency (CT) log since 2019 as part of our commitment to keeping the Web PKI ecosystem healthy. CT logs have become important infrastructure for an...

Let's Encrypt

@letsencrypt

Aug 26

Tsuki (月 - "moon") spent a long day working on the Pets Encrypt certificate authority. Now, time to settle down and dream about cipher suites. #petsencrypt letsencrypt.org

A hairless dog yawns and stretches out on a white rug. Text over a blue background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Let's Encrypt

@letsencrypt

Aug 26

Everyone can feel a little brighter when they're using TLS certificates to secure their websites. Learn more about how you can get started with Let's Encrypt here: letsencrypt.org/getinvolved/

Two cartoon men sit on a bus. A smiling man on the right is wearing a yellow shirt and facing a mountain range. Text above him reads "Uses a TLS certificate for their website". A smiling man on the left is wearing a purple shirt and facing a rock wall. Text above him reads "Just learned about Let's Encrypt on this busride". Busride is one word because the social media coordinator forgot how to spell.

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Let's Encrypt

@letsencrypt

Aug 25

Beau got his TLS set up so fast he has time for a nap -- a *real* nap, not one of those measly cat naps. #petsencrypt letsencrypt.org

A black and white cat lounges on a black baby bouncer. The cat is strapped in as if it were a baby. Text over a teal background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Let's Encrypt

@letsencrypt

Aug 25

Anyone can become a sponsor of Let's Encrypt and our sibling projects. Join us today and support a more secure and privacy-respecting Internet.

abetterinternet.org

Become a Sponsor

Our Projects Making encryption in transit free, automated, and easy for over 260 million websites Advancing memory safety in the Internet’s most critical codebases Bringing privacy and anonymity to...

Let's Encrypt

@letsencrypt

Aug 25

One of the primary values of Let's Encrypt is being a cooperative part of the security community. Much like the underlying Internet protocols themselves, Let’s Encrypt is a joint effort to benefit the community, beyond the control of any one organization.

letsencrypt.org

About Let's Encrypt

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). We give people the...

Let's Encrypt

@letsencrypt

Aug 24

Script kitty Noodle and junior NOC tech Palmer are up to the test because they encrypt their private data at rest. How do your pets encrypt? #petsencrypt letsencrypt.org

A black cat sits in a cat bed, with an orange and white cat curled up next to him. They sit in front of a sunny window. Text over a blue background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Our Platinum sponsor

has supported us from the beginning -- all the way back when our work was founded in 2013! Since then, our staff has grown from 2, to 12, to 24 today. Thank you Mozilla for helping us every step of the way.

mozilla.org

Internet for people, not profit

Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

Let's Encrypt

@letsencrypt

Aug 23

We provide certificates free of charge because cost excludes people. Your donations help us continue making TLS certificates more available worldwide.

letsencrypt.org

Donate

We're making it possible for everyone to experience a secure and privacy-respecting Web. We make it easy to get certificates for HTTPS, because ease of use is critical for adoption. We provide...

Let's Encrypt

@letsencrypt

Aug 22

Our international community is ready to help you with your certificate questions and issues. Log on and get help from folks who care about TLS!

community.letsencrypt.org

Let's Encrypt Community Support

Let's Encrypt

@letsencrypt

Aug 22

Want to add an extra layer of security to your passwords? Be like Sprinkles and consider using a Yubikey! #petsencrypt letsencrypt.org

A black and white cat places a paw on a Yubikey that is plugged into a laptop. Text over a blue background reads "Continuing to encrypt the Web so we can keep things secure for everyone, everywhere -- furry friends included!". Pawprints with blue bases and gold toe beans line the top and bottom of this text.

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Let's Encrypt

@letsencrypt

Aug 21

Oren is on the lookout for unencrypted data! #petsencrypt letsencrypt.org/#

Let's Encrypt

@letsencrypt

Aug 21

We're glad to have sponsors like

@brave

who care about privacy and security online! Thanks for your continued support of Let's Encrypt and a more privacy-respecting Internet, Brave.

brave.com

Secure, Fast & Private Web Browser with Adblocker | Brave Browser

The Brave browser is a fast, private and secure web browser for PC, Mac and mobile. Download now to enjoy a faster ad-free browsing experience that saves data and battery life by blocking tracking...

119

Our sponsor

uses our certificates to secure millions of domains across Europe. Together we can continue encrypting the globe! ovhcloud.com/en/

Let's Encrypt

@letsencrypt

Aug 20

When he's not tuckered out from a day of playing, Milo is hard at work encrypting the communication between his human's phone and his favorite squeaky toy site. Good job, Milo! #petsencrypt letsencrypt.org/#

Let's Encrypt and

have taken part in a fair amount of IETF sessions recently. We're excited to continue collaborating with the PPM and ACME working groups.

ietf.org

IETF 114 Philadelphia

Let's Encrypt

@letsencrypt

Aug 19

Great news from our sister project

@ProssimoISRG

's Rust for Linux initiative! Miguel Ojeda posted the newest patch series implementing the Rust infrastructure and initial sample code for the Linux kernel. Thanks for the coverage,

@phoronix

phoronix.com

Rust Code For The Linux Kernel Updated With More Features Implemented

Miguel Ojeda has posted the newest patch series implementing the Rust programming language infrastructure and initial sample code for the Linux kernel.

Let's Encrypt

@letsencrypt

Aug 19

Trip only uses websites with HTTPS when ordering treats. Stay secure when you're ordering tasty snacks for your pets! #petsencrypt letsencrypt.org

Let's Encrypt

@letsencrypt

Aug 19

¡Nuestro sitio web tiene muchos recursos útiles! Considere visitar las Preguntas frecuentes para preguntas generales y técnicas sobre Let's Encrypt.

letsencrypt.org

FAQ

Este FAQ está dividido en las siguientes secciones: Preguntas Generales Preguntas Técnicas Preguntas Generales ¿Qué servicios ofrece Let’s Encrypt? Let’s Encrypt es una Autoridad de Certificación...

How does

encrypt? Take a look at this post about the many ways you can help encrypt the Web!

eff.org

Encrypting the Web

The web has largely switched from non-secure HTTP to the more secure HTTPS protocol. All web servers use one of these two protocols to get web pages from the server to your browser. HTTP has serious

Let's Encrypt

@letsencrypt

Aug 18

A readily available supply of cat grass keeps Rage's hanger at bay so he can focus on encrypting the Web! What's your go-to encrypting snack? #petsencrypt letsencrypt.org

Let's Encrypt

@letsencrypt

Aug 18

Visit the Let's Encrypt GitHub to get a digital hands-on lesson about our website!

github.com

Let's Encrypt (ISRG)

A free, automated, and open certificate authority. - Let's Encrypt (ISRG)

Let's Encrypt

@letsencrypt

Aug 17

All of our Let's Encrypt translations are made possible thanks to our volunteer translators on Crowdin. Let's Encrypt is a small team -- so we're endlessly thankful for those of you who've helped us make our website available in 19 languages!

crowdin.com

Let's Encrypt Website — Translation Project on Crowdin

Help us translate Let's Encrypt Website and bring it to the world!

Let's Encrypt

@letsencrypt

Aug 17

Have a big certificate project? You can visit our support forum to get help from one of the 63,329 Let's Encrypt community members.

community.letsencrypt.org

Let's Encrypt Community Support

Let's Encrypt

@letsencrypt

Aug 16

Piper’s excited to help secure the connection between her person’s laptop and her favorite dog food delivery service. Now if only she could remember which cord is for the laptop charger... #petsencrypt letsencrypt.org/#

Let's Encrypt

@letsencrypt

Aug 16

Did you know? Our platinum sponsor

@Cisco

was a founding partner of

@I_S_R_G

and Let's Encrypt! We're thankful for their support over the last few years, including their sponsorship of our sibling project,

@ProssimoISRG

cisco.com

Cisco - Networking, Cloud, and Cybersecurity Solutions

Cisco delivers innovative software-defined networking, cloud, and security solutions to help transform your business, empowering an inclusive future for all.

Let's Encrypt

@letsencrypt

Aug 15

No matter where you are in the world, you deserve to have secure access to the Web. By donating to support Let's Encrypt, you can help us continue providing TLS certs to sites worldwide -- ensuring that denizens of the Web can browse securely at no cost.

letsencrypt.org

Donate

We're making it possible for everyone to experience a secure and privacy-respecting Web. We make it easy to get certificates for HTTPS, because ease of use is critical for adoption. We provide...

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