Caligin Tsukihara is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
My earlier toot about sponsor talks was in fact unfair: some are "random self-contradicting blabbering* "by the way this is our tool buy it".
And some others are actually very informative! #DevSecCon
