Arcani

United Kingdom | NATO DIANA Energy & Power 2026

When the threat is invisible to all other sensors, acoustic prevails

Founded:
Team: 10-50
Funding: Private
Website:

DIANA Status

NATO DIANA 2026 Cohort

Technology

Arcani's Hostile Acoustic Reconnaissance Kit (HARK) is an advanced acoustic surveillance system that detects hostile targets beyond the reach of conventional sensors by passively listening for unique sound signatures of UAVs and ground threats. This system is designed to identify stealthy drone and vehicle threats. The HARK system is a critical component in enhancing situational awareness and threat detection capabilities. It provides a unique solution for detecting and tracking targets that are difficult to identify using traditional sensors.

Key Differentiators

Arcani's HARK system differentiates itself from alternative solutions through its ability to detect threats that are invisible to other sensors. The system's use of acoustic sensors provides a unique capability that is not dependent on visual or electromagnetic signatures, allowing it to detect stealthy or hidden threats. Additionally, the system's passive listening capability reduces the risk of detection and provides a low-cost, low-power solution for threat detection. This makes it an ideal solution for a variety of applications, including border security and surveillance.

Data Center Value Proposition

Defense and government buyers should care about Arcani's HARK system because it provides a unique capability for detecting and tracking stealthy threats. The system's ability to detect threats that are invisible to other sensors makes it a critical component in enhancing situational awareness and threat detection capabilities. Additionally, the system's low-cost and low-power requirements make it an attractive solution for a variety of applications, including border security and surveillance. The HARK system can be used to support a range of defense and security missions, including counter-UAS and counter-terrorism operations.

Cost / ROI

The cost of the HARK system is relatively low compared to other threat detection systems, making it a cost-effective solution for a variety of applications. The system's low-power requirements and minimal maintenance needs also reduce the overall cost of ownership. The return on investment (ROI) for the HARK system is high, as it provides a unique capability for detecting and tracking stealthy threats and enhancing situational awareness. The system's ability to support a range of defense and security missions also makes it a valuable asset for defense and government buyers.

Technology Readiness

The Technology Readiness Level (TRL) of Arcani's HARK system is high, indicating that the technology is mature and has been demonstrated in relevant environments. The system has been developed and tested, and its effectiveness has been proven in various scenarios. The current stage of the technology is focused on refining the system's capabilities and integrating it with existing defense systems and infrastructure. This will enable the system to be used in a variety of applications and to provide enhanced situational awareness and threat detection capabilities.

Summary

The HARK system is an advanced acoustic surveillance system that detects hostile targets beyond the reach of conventional sensors. The system provides a unique capability for detecting and tracking stealthy threats, and its low-cost and low-power requirements make it an attractive solution for a variety of applications. The HARK system is well-positioned to capture a significant share of the growing market for threat detection systems, and its ability to integrate with existing defense systems and infrastructure makes it an ideal solution for enhancing situational awareness and supporting decision-making.

Contact: info@diana.nato.int
Prepared by: NATO DIANA | NATO DIANA Business Development
Date: March 2026 | DCD-NY Edition