The Civil Security units are the main threat to the Marine, Proxy and Noir Lime. They appear in almost every level. The Civil Security is an organization of humans in military like armour. They are the last remaining organization of humans after defeating the human soldiers from Plazma Burst. They are aggressive against the protagonists and the Usurpation Forces. They come in four suits: Civil Security Lite, Civil Security Heavy, Civil Security Boss. and Civil Security Ghost.