you can mine twitter for certain hashtags , i use twint library.

I use RSS feeds. Link it to Teams, slack, feedly, etc.
use the we known sites as well as the following from reddit

http://www.reddit.com/r/blueteamsec/new/.rss?sort=new - r/blueteamsec

http://www.reddit.com/r/cybersecurity/new/.rss?sort=new - r/cybersecurity

http://www.reddit.com/r/redteamsec/new/.rss?sort=new - r/redteamsec


http://www.reddit.com/r/netsec/new/.rss?sort=new - r/netsec


http://www.reddit.com/r/osint/new/.rss?sort=new - r/osint

Alright guys, appreciate the response.