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Launching Our Crowdfunding Campaign
Today we kicked off our first crowdfunding campaign with the goal of raising enough funds to cover about one month of our operations - $200,000. -
Our First Grant: The Ford Foundation
We are proud to announce that The Ford Foundation has awarded us a grant to help our growing operations. -
Squarespace OCSP Stapling Implementation
OCSP stapling is an alternative approach to the Online Certificate Status Protocol (OCSP) for checking the revocation status of certificates. -
Introducing Internationalized Domain Name (IDN) Support
Let’s Encrypt is pleased to introduce support for issuing certificates that contain Internationalized Domain Names (IDNs). -
ISRG Legal Transparency Report, January 2016 - June 2016
The trust of our users is ISRG’s most critical asset. Transparency regarding legal requests is an important part of making sure our users can trust us, and to that end we will be publishing reports twice annually. -
What It Costs to Run Let's Encrypt
Today we’d like to explain what it costs to run Let’s Encrypt. We’re doing this because we strive to be a transparent organization, we want people to have some context for their contributions to the project, and because it’s interesting. -
Let's Encrypt Root to be Trusted by Mozilla
The Let’s Encrypt root key (ISRG Root X1) will be trusted by default in Firefox 50, which is scheduled to ship in Q4 2016. -
Full Support for IPv6
Let’s Encrypt is happy to announce full support for IPv6. -
Defending Our Brand [Updated]
We have confirmed that Comodo submitted Requests for Express Abandonment for all three trademark registration applications in question. -
Progress Towards 100% HTTPS, June 2016
Our goal with Let’s Encrypt is to get the Web to 100% HTTPS. We’d like to give a quick progress update. -
Leaving Beta, New Sponsors
Let’s Encrypt is leaving beta today. We’re also excited to announce that founding sponsors Cisco and Akamai have renewed their Platinum sponsorships with 3-year commitments, Gemalto is joining as our newest Gold sponsor, and HP Enterprise, Fastly, Duda and ReliableSite.net are our newest Silver sponsors. -
ISRG Legal Transparency Report, July 2015 - December 2015
The trust of our users is ISRG’s most critical asset. Transparency regarding legal requests is an important part of making sure our users can trust us, and to that end we will be publishing reports twice annually. -
New Name, New Home for the Let's Encrypt Client Software
Over the next few months the Let’s Encrypt client software (not the service) will transition to a new name, soon to be announced, and a new home at the Electronic Frontier Foundation (EFF). -
Our Millionth Certificate
Let’s Encrypt has issued its millionth certificate, helping to secure approximately 2.4 million domains. This milestone means a lot to a team that started building a CA from scratch 16 months ago with an aim to have a real impact on the security of the Web as soon as possible. -
OVH Sponsors Let's Encrypt
We’re pleased to announce that OVH has become a Platinum sponsor of Let’s Encrypt. -
Entering Public Beta
We’re happy to announce that Let’s Encrypt has entered Public Beta. Invitations are no longer needed in order to get free certificates from Let’s Encrypt. -
Facebook Sponsors Let's Encrypt
We're happy to share today that Facebook is the newest Gold sponsor of Let’s Encrypt. -
Public Beta: December 3, 2015
Let’s Encrypt will enter Public Beta on December 3rd, 2015. Once we’ve entered Public Beta our systems will be open to anyone who would like to request a certificate. -
Why ninety-day lifetimes for certificates?
We’re sometimes asked why we only offer certificates with ninety-day lifetimes. People asking this are usually concerned that this is too short and wish we would offer certificates lasting a year or more, like some other CAs do. -
The CA's Role in Fighting Phishing and Malware
Since we announced Let’s Encrypt we’ve often been asked how we’ll ensure that we don’t issue certificates for phishing and malware sites. -
Let's Encrypt is Trusted
We’re pleased to announce that we’ve received cross-signatures from IdenTrust, which means that our certificates are now trusted by all major browsers. This is a significant milestone since it means that visitors to websites using Let's Encrypt certificates can enjoy a secure browsing experience with no special configuration required. -
Internet Society Sponsors Let's Encrypt
We're pleased to announce that Internet Society (ISOC) has become a Gold sponsor of Let's Encrypt. -
Our First Certificate Is Now Live
Let’s Encrypt passed another major milestone by issuing our first certificate. -
Let's Encrypt Community Support
Let’s Encrypt's success depends on the support of a strong community. Nowhere is this more true than when it comes to subscriber support. Today we’re happy to announce Let’s Encrypt Community Support, a place for our community to both give and receive support. -
Updated Let's Encrypt Launch Schedule
We can't wait to see websites turn on TLS with Let's Encrypt. Trust is our most important asset, however, and we need to take the necessary time to make sure our systems are secure and stable. -
ISRG Legal Transparency Report, January 2015 - June 2015
The trust of our users is ISRG’s most critical asset. Transparency regarding legal requests is an important part of making sure our users can trust us, and to that end we will be publishing reports twice annually. -
Let's Encrypt Launch Schedule
Let's Encrypt has reached a point where we're ready to announce our launch schedule. -
Let's Encrypt Root and Intermediate Certificates
The keys and certificates that will underlie Let's Encrypt have been generated. -
Draft Let's Encrypt Subscriber Agreement
Today we're publishing the first public draft of the Let's Encrypt Subscriber Agreement. -
Updated Draft ISRG CP and CPS
Today we're publishing an updated draft of our Certificate Policy (CP) and the first public draft of our Certification Practice Statement (CPS). -
ISRG Engages NCC Group for Let's Encrypt Audit
ISRG has engaged the NCC Group Crypto Services team to perform a security review of Let's Encrypt's certificate authority software, boulder, and the ACME protocol. -
ISRG and The Linux Foundation to Collaborate
Internet Security Research Group (ISRG), the non-profit entity behind Let's Encrypt, is pleased to announce our collaboration with The Linux Foundation. -
Draft ISRG Certificate Policy (CP)
Today we're publishing a draft of our Certificate Policy (CP). -
Let’s Encrypt: Delivering SSL/TLS Everywhere
Vital personal and business information flows over the Internet more frequently than ever, and we don't always know when it's happening. It's clear at this point that encrypting is something all of us should be doing. Then why don’t we use TLS (the successor to SSL) everywhere? Every browser in every device supports it. Every server in every data center supports it. Why don’t we just flip the switch?
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