ISRG’s 10th Anniversary
It’s hard to believe 10 years have passed since Eric Rescorla, Alex Halderman, Peter Eckersley and I founded ISRG as a nonprofit home...
Sensor Intel Series: Top CVEs in April 2023
A new vuln popped up in our traffic this month, as well as lots of the same old CVEs—IoT and Microsoft Exchange. - Read...
Improving Resiliency and Reliability for Let’s Encrypt with ARI
The Let’s Encrypt team is excited to announce that ACME Renewal Information (ARI) is live in production! ARI makes it possible for our subscribers...
Thank you to our 2023 renewing sponsors
At ISRG, we often say, “as a nonprofit, 100% of our funding comes from charitable contributions.” But what does that actually look like? For...
A Look into the Engineering Culture at ISRG
Engineers design systems and processes to ensure high quality outcomes and solutions - what if the same lens could be used to build a...
Sensor Intel Series: Top CVEs in November 2022
Learn which vulnerabilities attackers preferred in November. - Read more
Let’s Encrypt improves how we manage OCSP responses
Let’s Encrypt has improved how we manage Online Certificate Status Protocol (OCSP) responses by deploying Redis and generating responses on-demand rather than pre-generating them,...
A Year-End Letter from our Executive Director
This letter was originally published in our 2022 annual report.
The past year at ISRG has been a great one and I couldn’t be more...
The art of the possible: Arming U.S. Veterans with knowledge
Elastic can help us understand the data that impacts our daily lives and guides our decisions. Learn how one Elastic employee transformed data into...
Sensor Intel Series: Top CVEs in August 2022
Learn what attackers scanned for last month so you can tune your defenses. - Read more
Latest article
Siemens KACO Blueplanet Inverters
View CSAF
Summary
KACO blueplanet Inverters contain multiple vulnerabilities that could allow an attacker to derive the credentials from the devices serial number and misuse them...
Windows Netlogon Remote Code Execution Vulnerability
What is the Vulnerability? A critical vulnerability, CVE-2026-41089, affecting the Windows...
Attackers exploiting unpatched Cisco SD-WAN flaw
Cisco warns customers of an actively exploited high-severity vulnerability in Catalyst SD-WAN Manager, an enterprise network management system that has...
ICYMI: May 2026 @AWS Security
Read all about the latest AWS security features, compliance updates, and hands-on resources in our new, monthly digest posts. You’ll find expert blog posts,...
