Optimizing cloud resource costs with Elastic Observability and Tines
How can cloud engineers optimize resource costs using Elastic Observability and Tines? Follow this step-by-step guide to learn how to integrate Elastic Observability with...
Deploying Let’s Encrypt’s New Issuance Chains
On Thursday, June 6th, 2024, we will be switching issuance to use our new intermediate certificates. Simultaneously, we are removing the DST Root CA...
Sensor Intel Series: Top CVEs in February 2024
27 new CVEs, and continued IoT targeting. See what's new from February 2024. - Read more
New Intermediate Certificates
On Wednesday, March 13, 2024, Let’s Encrypt generated 10 new Intermediate CA Key Pairs, and issued 15 new Intermediate CA Certificates containing the new...
Introducing Sunlight, a CT implementation built for scalability, ease of operation, and reduced cost
Let’s Encrypt is proud to introduce Sunlight, a new implementation of a Certificate Transparency log that we built from the ground up with...
Khalil Corbin on how the arts helped shape him — and led to his...
Before joining Elastic, Khalil Corbin worked in the public sector, doing non-profit work with kids on probation — and writing for music blogs on...
A Year-End Letter from our Vice President
This letter was originally published in our 2023 Annual Report.
We typically open our annual report with a letter from our Executive Director and...
Our role in supporting the nonprofit ecosystem
For more than ten years, we at the nonprofit Internet Security Research Group (ISRG) have been focused on our mission of building a more...
Evolution of Workplace Search: Search your private data with Elasticsearch
Workplace Search functionality will merge with Elastic Search in the future. Here’s what you need to know. - Read more
Increase your security governance with CAA
According to Cloudflare’s Merkle Town, 257,036 certificates are issued every hour. We at Let’s Encrypt are issuing close to 70% of those certs. Being...
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CVE-2026-41940: cPanel & WHM Authentication Bypass
OverviewOn April 28, 2026, cPanel issued a security update to fix a critical vulnerability affecting the cPanel & WHM and WP Squared products. In...
Cursor Extension Flaw Exposes Developer API Keys
Cursor flaw lets extensions steal API keys and session tokens without user interaction, according to researchers at LayerX - Read more
CVE-2026-21246 Windows Graphics Component Elevation of Privilege Vulnerability
Acknowledgement added. This is an informational change only. - Read more
ClickUp Data Leak Exposes Enterprise Emails for Over a Year
A hardcoded ClickUp API key exposed hundreds of corporate and government emails for over a year, raising new SaaS security concerns.
The post ClickUp Data...
