Hawk Measurement Systems’ (HAWK) Fiber Optic Sensing (FOS) delivers advanced, real-time security for subsea cables and pipelines, including perimeter, power, and communication infrastructure. Using distributed acoustic sensing, a single fiber acts as a continuous sensor, detecting disturbances such as intrusion, tampering, leaks, or mechanical impacts across long distances. The system precisely locates events, enabling rapid response to potential threats or failures. Immune to electromagnetic interference and requiring no field power, FOS ensures reliable operation in harsh subsea environments. With 24/7 monitoring, predictive analytics, and seamless integration with control systems, HAWK FOS enhances asset protection, operational safety, and infrastructure integrity.