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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10 Considerations for Implementing an XDR Strategy

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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

July 2, 2025

Empowering your LLMs: Unlocking cybersecurity queries with Open WebUI knowledge bases

In the rapidly evolving landscape of large language models (LLMs), the ability to access and synthesize vast amounts of information is paramount. While LLMs excel at generating creative text and understanding complex prompts, their knowledge is often limited to the data used during their training. This is where knowledge bases (a.k.a.... Read more »

Additional Posts

Detecting CVE-2022-21907, an IIS HTTP Remote Code Execution vulnerability

In January 2022, Microsoft disclosed a remote code execution vulnerability for Internet Information Server (IIS) identified as CVE-2022-21907, which they have subsequently reported as wormable. Through Microsoft, Corelight Labs was able to review a... Read more »

Security strategy for the next Log4Shell

Last week I had the privilege to be in Washington, DC talking to a group of defenders. I heard a clear pattern of words: “data-driven,” “telemetry-first,” and “visibility”. The defenders were focused on having the right telemetry to investigate both... Read more »

Detecting Log4j exploits via Zeek when Java downloads Java

We have published an initial blog on the Log4j exploit and a followup blog with a second detection method for detecting the first stage of exploits occurring over LDAP. Today, we will discuss a third detection method, this one focused on the... Read more »

Detecting Log4j via Zeek & LDAP traffic

We recently discussed some methods for detecting the Log4j exploit, and we’ve now developed another method that everyone running Zeek® or a Corelight sensor can use. Our new approach is based on the rarity of legitimate downloads of Java via LDAP.... Read more »

Simplifying detection of Log4Shell

Simplifying detection of Log4Shell

Security workers across the world have been busy since last Friday dealing with CVE-2021-44228, the log4j 0-day known as Log4Shell, that is already being heavily exploited across the Internet. Given the huge number of systems that embed the... Read more »

Situational awareness for CISA FECB playbooks

CISA recently released a set of playbooks for the Federal Civilian Executive Branch (FCEB) to provide improved cybersecurity incident response (IR) and vulnerability response. As was demonstrated by the SolarWinds SUNBURST attack in December 2020,... Read more »

Corelight & Microsoft Defender for IoT: Through an XDR lens

What is the XDR paradox? It’s the hottest term in security but there is no consensus yet on the right definition. Why is that? Many organizations have deployed EDR and are benefiting from it, but also looking to the gaps that EDR can’t address such... Read more »

Detecting CVE-2021-42292

On its surface, CVE-2021-42292 doesn’t look like the kind of vulnerability that a network-based tool can find reliably. Marked by Microsoft as a local file format vulnerability, security veterans would expect that between encryption and encoding,... Read more »

Expanded Suricata detections with Dtection.io

One of the most common questions that Corelight customers and prospects who are using our Suricata integration ask is “what signatures should I run?” While our answer has always started with the industry-standard Emerging Threats Pro feed, we... Read more »

Microsoft + Corelight partner to stop IoT attacks

Microsoft + Corelight partner to stop IoT attacks

When you hear the term “Internet of Things,” (IoT) do you picture home devices like lightbulbs, smart assistants, and wifi-connected refrigerators? Perhaps you think of enterprise devices like video conferencing systems, smart sensors, or security... Read more »