RaySecur®, the leader in real-time 4D Terahertz (T-ray) imaging for concealed threat and contraband detection, announced today significant market momentum and a strategic investment from IQT, the not-for-profit investor supporting the U.S. national security community and America’s allies.
The investment caps a landmark year for RaySecur, highlighted by the launch of the MS400, the world’s first commercial 400 GHz T-ray security imaging system. Powered by RaySecur’s proprietary platform, the MS400 delivers live-video screening in both desktop and mobile battery-powered formats. The system is 10 times smaller and 300 times more sensitive than X-ray, enabling detection of low-density threats such as powders, liquids, and laced materials—without generating harmful ionizing radiation.
Growing global security risks have fueled demand for RaySecur’s advanced screening technologies, which detect concealed threats and smuggled contraband that evade conventional methods. T-ray imaging identifies smaller, harder-to-find dangers while protecting privacy and enhancing operator safety. This versatility has accelerated adoption of RaySecur’s MailSecur® and EODSecur® platforms, with recent deployments at public safety agencies in New York, Georgia, and Connecticut. More than 25 state and federal agencies already rely on MailSecur, and the company has expanded into Fortune-class enterprises across automotive, banking, retail, sports, entertainment, and executive protection.
Aligned with its product expansion strategy, RaySecur is leveraging the MS400’s commercial success to broaden its reach. IQT’s investment underscores the importance of real-time, non-ionizing T-ray detection in mission-critical environments and will accelerate innovation while expanding dual-use applications across government, public safety, and corporate markets.
“IQT’s strategic investment comes at a key inflection point in RaySecur’s growth trajectory, building on the commercial success of our existing T-ray imaging platform and accelerating development of new dual-use product-lines directly aligned with our mission to deliver safe, accessible, and effective threat detection capabilities for high-security environments,” says Alex Sappok, Ph.D., CEO, RaySecur.
“We are pleased to welcome RaySecur to the IQT portfolio,” says Jon Chait, Managing Partner, IQT. “Their 4D T-ray imaging technology represents an important innovation in security detection, enabling real-time, safe, non-ionizing screening for concealed threats and contraband. RaySecur’s track record of focusing on operational simplicity, safety, and detection performance aligns with IQT’s mission to accelerate impactful commercial technology for the U.S. national security community.”
RaySecur® revolutionizes concealed threat detection with MailSecur®, trusted by Global 2000 companies and government agencies. MailSecur is designated a Qualified Anti-Terrorism Technology by the U.S. Department of Homeland Security under the Safety Act. Learn more at http://www.raysecur.com.
IQT has supported the U.S. national security community and allies for over 25 years, identifying and investing in emerging technologies to deliver best-in-class capabilities. More at www.iqt.org.



