10 MHz - 10 GHz
Covers a wide spectrum from low-band to microwave frequencies, ensuring comprehensive detection of diverse signals.
The Halo Anti-Espionage System (HAES) is a comprehensive anti-espionage system designed to detect, thwart, and neutralise sophisticated surveillance threats. From hidden cameras and microphones to covert tracking devices, HAES provides military-grade protection in a modular, mission-ready solution. Whether deployed on high-level vessels, government facilities, or sensitive research environments, HAES delivers covert security solutions that give organisations complete confidence in their operational security.

Our technical surveillance countermeasures (TSCM) suite includes compact yet powerful devices capable of identifying hidden eavesdropping equipment, signal transmitters, and other electronic threats. Each unit is designed for counter-surveillance equipment performance without compromising discretion.
The HAES-J line uses advanced electronic countermeasures to disrupt unauthorised signals and remote-controlled devices. These systems operate safely in sensitive environments while effectively neutralising potential surveillance threats.
HAES is built for flexibility. Its anti-espionage system design allows deployment from portable briefcases to fixed installations, providing scalable protection tailored to your operational needs.
Halo provides complete training and ongoing technical support to ensure users can deploy the system safely and confidently. Our specialists guide teams in maximising covert security solutions for all types of high-stakes environments.
Explore our range of other security services here.
Covers a wide spectrum from low-band to microwave frequencies, ensuring comprehensive detection of diverse signals.
Provides clear notifications through sound, tactile feedback, and a visual bar graph for instant awareness.
Identifies threats from phones, wireless devices, and covert cameras to safeguard sensitive environments.
Features auto/manual demodulation, data logging, distance estimation, and wideband signal graphing for in-depth review.
HAES combines innovative technology, covert security solutions, and mission-ready reliability to create a robust anti-espionage system. Every unit is engineered to meet the highest standards of quality and discretion, ensuring your organisation remains secure against evolving surveillance threats.
Contact our team to find the right solution for your business.
What is an anti-espionage system?
An anti-espionage system is a security solution designed to detect, prevent, and neutralise covert surveillance threats such as hidden microphones, cameras, and trackers.
What are technical surveillance countermeasures (TSCM)?
TSCM refers to a suite of tools and techniques used to locate and mitigate hidden surveillance devices. HAES provides portable and fixed solutions for complete threat detection.
Does Halo offer covert security solutions?
Yes. HAES is specifically designed as a covert security solution, allowing sensitive operations to remain discreet while remaining fully protected.
Can HAES be used in corporate and government environments?
Absolutely. HAES is suitable for executive boardrooms, government facilities, military operations, and critical infrastructure, providing scalable protection with advanced electronic countermeasures.
What makes Halo different from other counter-surveillance equipment?
Halo combines modular, mission-ready counter-surveillance equipment with expert training, 24/7 support, and cutting-edge technical surveillance countermeasures to ensure complete operational security and peace of mind.
Discover how our cutting-edge anti-drone system detects, tracks, and neutralizes rogue drones in seconds.
Unleash the power of precision with our high-energy laser system—designed to silently strike threats at the speed of light.
Meet our next-gen defence drones—autonomous, intelligent, and always ready to protect what matters most.
Detect threats in total darkness or harsh conditions with 360° thermal imaging that never sleeps.
Safeguard your systems with cutting-edge technology that instantly detects and blocks identity spoofing attempts.
Go beyond surveillance with smart CCTV that analyses behaviour, identifies anomalies, and alerts you in real time.
Our sonar delivers AI-powered 360° underwater threat detection for yachts and vessels.
Halo’s AI-powered robot dog delivers autonomous, all-terrain security for high-risk and high-value sites.
High-end personal protection for high-net-worth individuals and executives. Our expert operatives offer seamless security at home, while travelling, or abroad.
Our invisible barrier beneath the ground delivers real-time detection, identifying intrusions early and securing perimeters with unmatched precision.
Advanced electromagnetic power detects, disrupts and neutralises hostile electronics, securing critical infrastructure and military perimeters with speed.
Powerful, precise sound projection delivers clear communication and effective deterrence, giving your security teams control over threats at distance.
See the unseen: pinpoint heat signatures through darkness, foliage and bad weather with high-resolution sensors, laser rangefinding and rugged, all-weather endurance.
Sleep easy knowing HAES hunts down hidden cameras, microphones and tracking threats with military-grade TSCM and signal denial, keeping your secrets truly secret.
Control who goes where, when and how. With AI-driven, biometric and mobile credentialing that scales from single sites to global estates while keeping every access event logged and encrypted.
From cutting-edge CCTV systems to intelligent threat detection, Halo Group Security is taking its latest advancements to the heart of Europe’s premier marine trade show — METS 2025 in Amsterdam. The team will connect with partners and clients to discuss how evolving security technologies are redefining protection across the maritime world.
Discover how Halo Group Security is shaping the future of safety and innovation as we head to Intersec Dubai 2026, the world’s leading security exhibition.
Find out how Halo Group Security is bringing its most advanced solutions and thought-leadership to the International Security Expo, where the world’s top security professionals meet in London.