This is an extensive site dedicated to understanding the many risks to your personal security and privacy.
Defensive Computing Checklist
This is a list of both things to be aware of and specific defensive steps that we can take in response to the common threats of 2019. No list like this can ever be complete, nor would anyone want it to be complete as that list would never end. I tried to limit this to the most important issues, still its long (25,000 words).