A security specialist helps to protect valuable assets for a private client, corporation, or government entity. They can also be a personal security specialist or bodyguard. As a security specialist, you undergo a wide range of training, including criminal law, self-defense, situational awareness, computer security, and other disciplines specific to your field. Different types of security specialists require special qualifications that you should acquire. Some states require you to maintain regular certification to act as a licensed security specialist, especially as a bodyguard.