Cybersec social firehose

Curated stream from cybersec researchers and vendor labs on Bluesky and Mastodon (infosec.exchange). X killed its free read API in 2023 and the available Nitter mirrors are unreliable, so most of these accounts have a mirror on Bluesky or Mastodon. Both expose proper keyless RSS. Click any post to open the original.~16 accounts indexed.