Corelight Bright Ideas Blog

On December 4, Qualys released a security advisory for an authentication bypass vulnerability in OpenBSD, CVE-2019-19521. The vulnerability affects multiple services in OpenBSD including smtpd, sshd, ldapd, and radiusd. This immediately caught our... Read more »

This week’s launch of version 18 of our software features the Encrypted Traffic Collection, our first collection of a series of detections and data enrichments created by the Corelight research team. This collection focuses on SSH, SSL/TLS... Read more »

Want to use Zeek (formerly Bro) network data in Splunk ES, but don’t know how to start or where to look? Read more »

Corelight has recently released a new package, focusing on SSH inferences, as part of our Encrypted Traffic Collection. The package installs on sensors with a few clicks and provides network traffic analysis (NTA) inferences on live SSH traffic.... Read more »

With almost two decades of networking experience, I recently made my first foray into a security-centric user conference at Zeek Week, an annual conference for the user community of the open source network security monitoring platform known as Zeek... Read more »

Recently a fan of network security monitoring (NSM) asked me for advice on his current instrumentation situation. He said his organization was new to NSM and was interested in pursuing solutions with Corelight. However, the company did not have any... Read more »

Network and security infrastructure, such as routers, switches, firewalls, virtual private network concentrators, and other equipment, are designed to provide a stable and secure communications experience for client and server computers and their... Read more »

Editor’s note: This post is the result of the author’s work at the International Computer Science Institute where she works as a senior researcher. Read more »

When we think about using Corelight data, our mental models often fixate on finding evidence of suspicious and malicious activity. This makes sense, as network security monitoring data generated by Corelight and Zeek combines the granularity of... Read more »

Earlier this month during Black Hat I had the good fortune to speak with Gary Reiner, a business leader for whom I have an immense amount of respect. Gary was the chief information officer (CIO) at General Electric (GE) for 20 years, and as such he... Read more »