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October 21, 2025
Digital twins power diverse solutions worldwide, operating at the intersection of global challenges and regional realities. Their applications span from smart city initiatives to smart buildings, shaping how innovation meets local needs. In the process, the physical and digital worlds merge into a dynamic overall system that makes cities, buildings and properties smarter and more efficient and secure.
One technology that enables the creation of 3D digital twin models is LiDAR, by scanning buildings and environments. But once the model is created, LiDAR plays a pivotal role in detecting movement and security breaches: it is the only technology that makes a digital twin truly operational for physical security operations.
Explore HxGN dC3 LidarVision
The most effective perimeter security systems do not rely on a single technology, but instead use a combination of complementary solutions. Physical barriers are designed to slow intruders, while sensors detect movement and breaches. Video surveillance and analytics provide visual confirmation of incidents. Radar and LiDAR work together to ensure reliable detection under all conditions, and response tools — ranging from drones to security patrols — complete the overall system.
Among the various available technologies, LiDAR — short for Light Detection and Ranging — is emerging as a transformative tool. LiDAR works by emitting laser pulses and measuring their reflections to generate a precise 3D representation of the environment.
In perimeter security applications, LiDAR offers significant advantages. First, LiDAR delivers high-precision detection by tracking people and vehicles with centimeter-level accuracy, which often surpasses traditional sensors. Second, LiDAR maintains consistent performance in all lighting conditions, including total darkness or low light, because it does not rely on ambient light. LiDAR does not collect personal data or details, only point cloud data, allowing for GDPR-compliant deployments.
By capturing 3D data, LiDAR can accurately differentiate between genuine threats and harmless movements caused by animals, weather or foliage, resulting in lower false alarm rates. And, LiDAR systems can integrate with other security technologies, such as cameras and radar, to verify alarms and provide both short- and long-range threat coverage.
Combining LiDAR volumetric detection technology with advanced 3D surveillance software creates and environment in which you can visualize threats in a digital representation of reality — a digital twin. Unlike traditional perimeter intrusion detection systems that typically only focus on protecting the fence line, such a system is designed to secure entire sites.
These strengths make LiDAR especially useful for high-security environments like airports, data centers, energy plants, prisons and border installations, where minimizing false alarms is essential due to potential disruption and costs.
Integrating LiDAR and digital twin technology into security systems enhances value across a wide range of applications. In certain scenarios, this advanced combination delivers additional advantages beyond standard expectations.
Whether protecting parked aircraft or securing an apron, a LiDAR-based solution is a high-precision surveillance solution that helps airports safeguard operations and maintain regulatory compliance.
Physical security also plays a key role in ensuring data security. With clever LiDAR solutions, data centers are effectively protected against intrusion and attacks — both indoors, where crowded server rooms make traditional detection difficult, and outdoors.
In rail and mass transit applications, a LiDAR-based security system enables accurate and reliable protection of train platforms and tunnel entrances, where traditional surveillance technologies often fall short, and adds safety features as a bonus. We’ll cover these applications in our next blog post — stay tuned.
Physical security tech evolves fast — AI capabilities, cybersecurity standards and regulations change. A flexible vendor lets you adopt innovations at your own pace instead of its upgrade schedule.
HxGN dC3 LidarVision is an award-winning, AI-assisted advanced 3D surveillance software solution based on volumetric detection technology. It uses modern 3D LiDAR sensors to visualize threats in a digital twin and is revolutionizing physical security surveillance.
Andreas Conrad is the vice president of marketing, physical security, for Hexagon’s Safety, Infrastructure & Geospatial division. With more than 20 years’ experience, Andreas is an expert in physical security software technology applications and leads a global team of dedicated product professionals.
