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The Power of Open-Source Tools for Network Detection and Response

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The Evolving Role of NDR

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Detecting 5 Current APTs without heavy lifting

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Black Hat NOC: Findings from Europe & thoughts for Asia 2024

Black Hat NOC: Findings from Europe & thoughts for Asia 2024

How quickly a year passes. 2023 was Corelight’s first year participating in the Black Hat Network Operations Center (NOC). It was a tremendous opportunity and responsibility in which we collaborated with teams from Cisco, Palo Alto Networks, Arista,... Read more »

Hunt of the Month: Detecting AsyncRAT Malware Over HTTPS

Hunt of the Month: Detecting AsyncRAT Malware Over HTTPS

All code discussed in this blog can be pulled from https://github.com/corelight/zeek-asyncrat-detector Read more »

Focus Terrapin patching efforts with Zeek

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 »

Dual Defenses: 9 Reasons Why Open NDR Is Essential Alongside NGFW

Dual Defenses: 9 Reasons Why Open NDR Is Essential Alongside NGFW

Securing a network against the myriad of evolving cyber threats requires more than just a robust firewall or endpoint protection platform; it demands a multifaceted approach. Corelight’s Open Network Detection and Response (NDR) Platform complements... Read more »

Inside the Mind of a Cybersecurity Threat Hunter Part 2: Identifying Persistence Techniques

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 »

Dual Defenses: 10 Reasons Why NDR Is Essential Alongside EDR

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 »

How Corelight Uses AI to Empower SOC Teams

How Corelight Uses AI to Empower SOC Teams

The explosion of interest in artificial intelligence (AI) and specifically large language models (LLMs) has recently taken the world by storm. The duality of the power and risks that this technology holds is especially pertinent to cybersecurity. On... Read more »

Turning the tables on the infiltrator

This article was originally featured in TechBeacon. Read more »

Black Hat NOC USA 2023: A tale of sharp needles in a stack of dull needles

During Black Hat 2023 in Las Vegas, our Corelight team worked effectively and speedily with our first-rate Black Hat NOC partners Arista, Cisco, Lumen, NetWitness and Palo Alto Networks. I was fortunate enough to be a member of the NOC team at the... Read more »

How Does the Kill Chain Apply to Network-Derived Evidence?

When Eric M. Hutchins, Michael J. Cloppert, and Rohan M. Amin published their paper “Intelligence-Driven Computer Network Defense Informed by Analysis of Adversary Campaigns and Intrusion Kill Chains” in late 2010, they changed the way security... Read more »