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

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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Corelight's partner program

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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

September 16, 2025

How to level up your technical documentation with Microsoft's style guide and LLMs

How AI can transform even Microsoft's own documentation to meet its style standards. Read more »

Additional Posts

The high ground

Introducing Corelight’s new story + the value of NTA Read more »

Countering network resident threats

Vendors often claim that their products or services counter, mitigate, or otherwise affect “nation state threats.” When I worked as a director of incident response at one company, and as a chief security officer at another, claims like these made no... Read more »

12 talks to see at RSA 2020

RSA 2020 is fast approaching, and a colleague asked what talks I planned to attend. As I am not attending RSA, I thought I would answer her question anyway, with the hopes that those participating in the conference might benefit from my review of... Read more »

Corelight ECS mapping: Unified Zeek data for more efficient analytics

In addition to other great news we’ve recently shared, I’m pleased to announce that Corelight sensors now support the Elastic Common Schema (ECS) via our Corelight ECS Mapping. Read more »

Day 1 detection: CVE-2020-0601, a community, and 40 lines of code

On Tuesday, Jan. 14, 2020, the world learned of the vulnerability du jour, CVE-2020-0601. As explained by Microsoft, “a spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC)... Read more »

Finding truth in the cloud: Google Cloud Packet Mirroring and Corelight Network Traffic Analysis

“Remember, all I’m offering is the truth” – Morpheus, from the movie Matrix (1999) Read more »

Detecting OpenBSD CVE-2019-19521 SSH exploit attempts

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 »

Light in the darkness: New Corelight Encrypted Traffic Collection

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 »

New Corelight app for Splunk: Making network-based threat hunting easier

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

Introducing the Corelight SSH Inference package

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 »