Here's a micropage that is a link list of youtube channels that host cybersecurity talks. It's built with primarily html and a few neat js things. There are four theme colors to choose from: default (pastel), dark mode (jewel tones), greyscale, and 1337 hacker mode.
Go ahead and fork + submit a pull request for any channels that are missing.
I tried my best to capture everything, but I know new ones will come out and some I missed.
Here's all the themes: