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SANS Protects: The Network

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Threat hunting guide

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Corelight now powers CrowdStrike solutions and services

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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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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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Meet the Corelight CTF tournament winners

This summer, Corelight hosted a virtual CTF tournament where hundreds of players raced to solve security challenges using Zeek data in Splunk and Elastic. After the preliminary rounds,  we invited the top performers back for a champions round and... Read more »

Profiling Whonix

Introduction This week I read a story announcing that the latest edition of Whonix had been released. I had heard of Whonix, but had never tried it. I knew it was a Linux distribution that tried to make it as easy and safe as possible to anonymize... Read more »

Investigating the effects of TLS 1.3 on Corelight logs, part 3

Introduction Welcome to part 3 of my three-part series on TLS. In the previous two articles I briefly introduced TLS, and showed how Corelight would produce logs for a clear-text HTTP session. I then performed the same transaction using TLS 1.2, and... Read more »

Investigating the effects of TLS 1.3 on Corelight logs, part 2

Introduction Welcome to part 2 of my three-part series on TLS. In the previous article I briefly introduced TLS, and showed how Corelight would produce logs for a clear-text HTTP session. In this article I will perform the same transaction using TLS... 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 »

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