The Program Committee of MatSecure 2027 brings together leading experts from academia and industry to shape a high-quality, application-relevant scientific program in materials for security technologies. Building on the conference scope, the committee curates contributions spanning structural and functional materials for extreme conditions, protective surfaces and systems, advanced characterization under security-critical scenarios, and robust processing and synthesis routes. Simulation and modeling approaches for predictive design and risk mitigation are addressed alongside scalable material solutions across metals, ceramics, polymers, and composites. Through a rigorous review process and careful program design, the committee ensures a balanced platform for exchange and collaboration across sectors including aerospace, transportation, construction, supply systems, personal protective equipment, textiles, and trusted electronics.