Defentect Group, Inc. develops and provides IP based alerting system that protects against chemical, biological, radiological, nuclear, and explosive threats. The company offers DM3, a software platform that enables the integration of multiple sensors to coordinate security systems through a simple graphical user interface and initiates communication and data-driven messaging between systems and to emergency personnel; and DefenCall, an iPhone application which links to DM3 and creates a mobile personal safety device and service. It also offers GammaTect Zero, an integration device, which combines an analog-to-digital converter and a communications module; GammaTect Two, a Geiger-Muller based gamma detector that detects gamma radiation above 50 microR/hr; and GammaTect Four, a scintillator-based gamma radiation sensor enabling real-time alerts and gamma radiation isotope identification in an unattended perimeter or portal network. The company was formerly known as Splinternet Holdings, Inc. Defentect Group, Inc. was incorporated in 2000 and is based in New Canaan, Connecticut.