I particularly enjoyed: Reproducible Builds: on creating a build that produces the same exact binary on every machine so people can verify the integrity of the

I particularly enjoyed: Reproducible Builds: on creating a build that produces the same exact binary on every machine so people can verify the integrity of the binaries published by an open source project). Snitches get Stitches: pen testing switches used in utilities like furnaces. And of course the SS7 talks.