People willing to become an expert in red team training can pursue such courses from various institutes. During these courses, they can learn about how to deal with real-world threats. Apart from a little theoretical knowledge, much more practical sessions are provided to the learners to make them experts in the subject.
The environment is made real-like and then the learners are allowed to get the training on how to tackle the threats. With gradual learning day by day, one can become an expert on the same and try to make a career accordingly as a trainer or academy owner.