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SANS Protects: The Network

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Threat hunting guide

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Alerts, meet evidence.

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5 Ways Corelight Data Helps Investigators Win

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Thinking like a Threat Actor: Hunting the Ghost in the Machine

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Don't trust. Verify with evidence

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NDR for Dummies

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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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Corelight Bright Ideas Blog

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The evidence bank: leveraging security's most valuable asset

Editor's note: This is the fourth in a series of Corelight blog posts focusing on evidence-based security strategy. Catch up on all of the posts here. Read more »

Don’t trust. Verify with evidence.

Editor's note: This is the first in a series of Corelight blog posts focusing on evidence-based security strategy. Catch up on all of the posts here. What matters most in a criminal trial? Evidence. Everything depends on the quality and depth of... 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 »

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 »

A network engineer in a Zeek Week world

With almost two decades of networking experience, I recently made my first foray into a security-centric user conference at Zeek Week, an annual conference for the user community of the open source network security monitoring platform known as Zeek... Read more »

Hello, my name is??

Corelight just released our v17 software release and it’s packed with a number of cool new features including the Input Framework, Community ID, and MITRE’s BZAR collection of detections for lateral movement. Let me share a few details about how... Read more »

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