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The Evolving Role of NDR

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Detecting 5 Current APTs without heavy lifting

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Archives for Sep 2020

Give me my stats!

I often develop packages for Zeek in cluster mode. In this configuration, it can be difficult to debug your package because it is a continually running environment with real, and often unpredictable, network data. If you add to that other packages... Read more »

Detecting Zerologon (CVE-2020-1472) with Zeek

CVE-2020-1472 aka Zerologon, disclosed by Tom Tervoort of Secura, is an illustrative case study of how a small implementation mistake in cryptographic routines cascades into a privilege escalation vulnerability that allows an attacker to change the... Read more »

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 »