Grey Noise Noise Fest 2023 CTF Recap | Grey Noise Blog

Summary: GreyNoise Labs hosted the NoiseFest 2023 CTF, which drew 280 participants and used industry-standard PCAP files built from roughly 25 CVE-related tags, deliberately without any GreyNoise tooling. Winners were contacted for swag and trophies for the top three places, and the challenges and PCAPs were published on GitHub.
Bottom line: The team notes that difficulties in a single-packet CTF challenge will be grossly exacerbated across millions of real-world packets, which is the scale its new full-PCAP sensor fleet captures - the analysis pain points surfaced here are the ones a detection team faces at production volume.

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