An anti-theft insert capable of preventing unauthorized access to a handhole and manhole and preventing the theft of the internal components of the handhole and manhole, the anti-theft insert comprises a cap, the cap including a chamfer and a top surface, a post member, the post member including a keyway, and at least one anchor point. The post member is configured to support the cap. An outer diameter of the cap is sized to fit within an inner diameter of the handhole and manhole. The weight of the anti-theft device is of a sufficient amount so as to prevent the unauthorized removal of the anti-theft device from the handhole and manhole.