Corelight Bright Ideas Blog

For years, the mantra for achieving visibility into potential threats has been the trio of EDR, NDR, and SIEM. These components form the foundation of a robust security posture, with EDR and NDR offering the depth and breadth needed to monitor... Read more »

The big idea behind Corelight has always been simple: ground truth is priceless. What really happened, both now and looking back in time. Whether it is used to detect attacks, investigate routine alerts, respond to new vulnerabilities or a full... Read more »

In this blog, we will demonstrate how Zeek’s metadata approach can help focus patching efforts related to the recent SSH “Terrapin” attack. One of the interesting aspects to bear in mind as you read this is that Zeek provides visibility of the... Read more »

In this second post of our threat hunting with Corelight and CrowdStrike blog series we dive into Persistence, which is one the many tactical categories outlined in the MITRE ATT&CK framework. In our previous blog, we reviewed some of the common... Read more »

Editor’s Note (May 2025): This post has been updated to highlight how the Volt Typhoon and Salt Typhoon cyber-espionage campaigns exemplify that EDR evasion is real and why Network Detection and Response (NDR) is essential in modern defense... Read more »