Hey Obi, welcome to hive! your background is impressive. I am @macchiata from @lovesniper and @ocd team. I personally think we need more cybersecurity content over here. Since it's part of your interest, you can take a look at a few STEM communities on hive such as STEM Social.Here's the fastest link to it created/hive-196387. I hope you have a wonderful time on hive.

In any case if you want to explore more communities on hive, you can have a look at the list that we have OCD Communities Incubation Program and for all hive communities you can check https://peakd.com/communities. And you can also learn more about hive as a newbie from these guides newbie guide. Have fun on hive and see you around!