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Alerts, meet evidence.

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Corelight Bright Ideas Blog

Dns Log

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 »

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 »

Log enrichment with DNS host names

One of the first tasks for any incident responder when looking at network logs is to figure out the host names that were associated with an IP address in prior network activity. With Corelight’s 1.15 release we help automate the process and I would... Read more »

How Bro logs gave one company better DNS traffic visibility than their DNS servers

Bro provides enriched network visibility for top organizations around the world, and there are many use cases for Bro logs.   The security field uses Bro data for incident response and cyber threat hunting. But Bro log use cases don’t always have to... Read more »

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