Network Visibility

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 »

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 »

When we hear the phrase “first, do no harm,” most of us think of the Hippocratic Oath and its guidance for physicians. I was surprised to learn that the phrase as translated does not actually appear in the Greek, and that the origins are more... Read more »

Bro provides enriched network visibility for top organizations around the world, and there are many use cases for Bro logs. The security field uses Bro data for incident response and cyber threat hunting. But Bro log use cases don’t always have to... Read more »

You probably know that Bro generates real-time data about network flows, highly valued by threat hunters & incident responders around the world. But Bro can do a lot more, and in this blog series, we’ll highlight lesser-known features from time to... Read more »