By Richard Bejtlich, Principal Security Strategist, Corelight In response to my previous article in this blog series, some readers asked “why monitor the network at all?” This question really struck me, as it relates to a core assumption of mine. In this post I will offer a few reasons why network owners have a responsibility […]
Tag Archives: Zeek
Network Security Monitoring: Your best next move
By Richard Bejtlich, Principal Security Strategist, Corelight Welcome to the first in a regular series of blog posts on network security monitoring (NSM). In 2002 Bamm Visscher and I defined NSM as “the collection, analysis, and escalation of indications and warnings to detect and respond to intrusions.” We were inspired by our work in the […]
The last BroCon. It’ll be Zeek in 2019!
By Robin Sommer, CTO at Corelight and member of the Zeek Leadership Team I’m back in San Francisco after the last ever BroCon! Why the last BroCon? Because the Bro Leadership Team has announced a new name for the project. After two years of discussion, no shortage of suggestions, and a final shortlist going through […]
Log enrichment with DNS host names
By Christian Kreibich, Senior Engineer, Corelight One of the first tasks for any incident responder when looking at network logs is to figure out the host names that were associated with an IP address in prior network activity. With Corelight’s 1.15 release we help automate the process and I would like to explain how this […]
Network security monitoring vs supply chain backdoors
By Richard Bejtlich, Principal Security Strategist, Corelight On October 4, 2018, Bloomberg published a story titled “The Big Hack: How China Used a Tiny Chip to Infiltrate U.S. Companies,” with a subtitle “The attack by Chinese spies reached almost 30 U.S. companies, including Amazon and Apple, by compromising America’s technology supply chain, according to extensive […]
Corelight: a recipe I couldn’t refuse
By Joy Bonaguro, Head of People, Ops, and Data, Corelight It’s hard to beat a mission like transforming government for the 21st Century. That’s what I’ve been doing for more or less my entire professional life. From building information systems in New Orleans both before and after Hurricane Katrina in 2005 to my latest role […]
Twenty years of network security monitoring: from the AFCERT to Corelight
By Richard Bejtlich, Principal Security Strategist, Corelight I am really fired up to join Corelight. I’ve had to keep my involvement with the team a secret since officially starting on July 20th. Why was I so excited about this company? Let me step backwards to help explain my present situation, and forecast the future. Twenty […]
There’s more to Bro than great network data
By Vincent Stoffer, Senior Director of Product Management, Corelight Corelight recently released our 1.15 software update which includes some fantastic new features, including our first group of curated Bro Packages which we’re calling the “Core Collection.” In this blog post, I’ll tell you a bit more about how Corelight is making it easier to detect threats […]
Corelight’s recent contributions to open-source Bro
By Robin Sommer, CTO at Corelight and Bro development lead When we founded Corelight in 2013, one of our goals was to build an organization that could sustain open-source Bro development long term. At that time, the core team behind Bro was still funded primarily through grants from the National Science Foundation. One of the […]
Databricks + Corelight – A powerful combination for cybersecurity, incident response and threat hunting
By Alan Saldich, CMO, Corelight and Brian Dirking, Sr. Director Partner Marketing, Databricks Incident response, threat hunting and cybersecurity in general relies on great data. Just like the rest of the world where virtually everything these days is data-driven, from self-driving cars to personalized medicine, effective security strategies also need to be data-driven. Whatever security […]