Devices such as thumb drives and smart phones, when connected to a computer, are one of the many ways a government computer can contract malware. The Cyber Security Division with Marine Corps Camp Lejeune implemented required training for Department of Defense personnel to increase awareness and protect the Marine Corps network. - Devices such as thumb drives and smart phones, when connected to a computer, are one of the many ways a government computer can contract malware. The Cyber Security Division with Marine Corps Camp Lejeune implemented required training for Department of Defense personnel to increase awareness and protect the Marine Corps network.