Cyber security is an ever-evolving battle that we can never win. The reason is simple. Virtually no one actually knows what is running on their computer at this very moment. And yes, that's a bit scary.
Gary Ruddell created a series of videos that are both entertaining and professionally made. His website provides insight in cyber security and includes articles, a newsletter and also workshops for those who are interested in a career in cyber. Here's one of his videos.