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Keynote: Picture this! Solving Security Problems Visually with eBPF

Authors:   Liz Rice


Summary

The power of using visualizations to solve security problems with eBPF
  • eBPF is a platform for building network observability and security tooling
  • Visualizations can help us answer security-relevant questions more easily than wading through logs
  • Psyllium's Hubble component generates network flow logs that are collected by eBPF programs and can be visualized to understand network traffic
  • Prometheus metrics generated by Hubble can be used to understand network policy verdicts
  • eBPF tools can generate rich contextualized events in the form of logs and metrics that can be visualized to solve real security problems
The Stormtrooper in charge of security on the Death Star wanted to put some network policy in place but found it fiddly. He used Prometheus metrics generated by Hubble to understand network policy verdicts and ensure that only Empire traffic was flowing in the namespace.

Abstract

eBPF is a wonderful platform for the next generation of security tools, but there can be a big gap between detailed events at the kernel level, and meaningful, understandable information that security and platform teams can act on. Let’s look at some of examples of graphs and visualizations that aggregate information collected through eBPF, that can help us answer security-relevant questions much more easily than wading through logs.

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