What is your specific starting point? Coming from outside of IT? Let me know and I either can send you to the right video or make one that would help you if I have not covered this in other videos.
Take a look at a few different job descriptions and keep track of what a) technology solutions the companies use and b) what skill sets are required by the candidate. Look for the ones that are repeatedly mentioned by different companies and those are the ones to focus on.
When you talk about data analytics do you mean being able to retrieve and analyse info example from a siem or do you mean going down in things like sql, tableau power bi ?