A tactical security system can be used to secure a room. For example, such a security system may be contained in a housing sized for shipment to a location for placement in a room in order to secure the room. Various components may be included in the housing, such as a storage device configured to store data received from one or more audio or video recording devices; an access controller configured to interface with a badge reader associated with one or more access points to the room in order to selectively control access to the room; a switch configured to couple the one or more audio or video recording devices with the storage device and to couple the badge reader with the access controller; and/or a power supply configured to supply power to the devices in the housing.