Corelight named as a Leader in Forrester Wave™: Network Analysis and Visibility Solutions, Q4 2025

Corelight Recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Network Detection and Response

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Detect and disrupt evasive threats with high-fidelity, multi-layered detection.

Detect and disrupt evasive threats with high-fidelity, multi-layered detection.

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Detect advanced attacks with Corelight

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Corelight announces cloud enrichment for AWS, GCP, and Azure

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10 Considerations for Implementing an XDR Strategy

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Don't trust. Verify with evidence

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2025 Gartner® Magic Quadrant for NDR

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Detecting 5 Current APTs without heavy lifting

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Network Detection and Response

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Featured Post

October 20, 2025

Exposing Salt Typhoon on the network using the PEAK Threat Hunting Framework

How do you find an adversary who lives where you can't easily look? A recent CISA advisory on the state-sponsored actor "Salt Typhoon" highlights this exact challenge. These actors aren't just breaking in; they're moving in. They persist on network edge devices like routers and firewalls—critical infrastructure that often sits outside the view of... Read more »

Additional Posts

Corelight + Chronicle Backstory: Technology integration brings all the right data at the right time for customers

At the recent RSA Conference, Chronicle launched Backstory, a new security analytics platform, and we are pleased to share that Corelight is part of the Chronicle Index Partner program. Read more »

First, Do No Harm

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 »

The Elephant in the SIEM War Room

Last week’s RSA announcements included a pair of new entrants in to the SIEM space, Google Chronicle’s Backstory and Microsoft’s Azure Sentinel. While the entry of larger players in to the SIEM space is an eyebrow-raiser on its own, in conjunction... Read more »

Corelight: #winning in Network Security

2018 was undoubtedly a banner year for Corelight. We closed out 2018 with many successes under our belt that reflect the hard work of our people: We more than quadrupled our sales year-over-year and more than doubled our customer base and employee... Read more »

Astronomers and Chemists

Scale is a great word, because its meaning is truly in the eye of the beholder. To an astronomer, it might mean millions of light years. To a chemist, nanometers. In the network security monitoring (NSM) world, Corelight is enabling scale in two... Read more »

Examining aspects of encrypted traffic through Zeek logs

In my last post I introduced the idea that analysis of encrypted HTTP traffic requires different analytical models. If you wish to preserve the encryption (and not inspect it via a middlebox), you have to abandon direct inspection of HTTP payloads... Read more »

Network security monitoring is dead, and encryption killed it.

This post is part of a multi-part series on encryption and network security monitoring. This post covers a brief history of encryption on the web and investigates the security analysis challenges that have developed as a result. I’ve been hearing... Read more »

Monitoring. Why Bother?

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... Read more »

Network Security Monitoring: Your best next move

Welcome to the first in a regular series of blog posts on network security monitoring (NSM). Read more »

The last BroCon. It’ll be Zeek in 2019!

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 legal... Read more »