Overhaul launches independent cargo tamper detection

Overhaul has launched a cargo security system that detects freight door openings independently of the condition of a trailer or container seal, providing near-real-time alerts to shipment monitoring teams. The company’s Gen2 Tamper Detection Technology is designed for trailers, shipping containers, and roll-up doors, including transport operations where cargo compartments are opened at several authorised delivery points.

The product was introduced on 11 November and is available exclusively to existing Overhaul customers. It has been developed to identify a physical access event rather than relying on a security seal remaining intact. Overhaul reports that its technology detected 100% of door-opening events during pilot testing, although the company has not disclosed the number of events tested, the operating conditions, or the incidence of false alerts.

Cargo security seals are used to provide evidence of potential interference with a secured load. A physical seal may reveal that a door has been opened or a securing mechanism disturbed, while electronic seals can provide additional information through connected monitoring systems. However, the appearance or reported condition of a seal does not necessarily establish that access to a cargo compartment has been prevented.

Overhaul developed its new system in response to methods of entry intended to avoid conventional security controls. Criminals may attempt to reach goods without disturbing the seal in a way that is subsequently detected. A shipment can therefore appear secure during a routine check even when someone has gained access to its contents. The new product is intended to provide separate evidence that the door itself has opened.

Nick Heikkinen, Vice President of IoT Technology and Operations at Overhaul, said: “Gen2 gives shippers better intel on whether criminals have actually gotten the trailer doors opened.” He added that several of the company’s larger customers had already signed up for the technology, although Overhaul has not disclosed their identities, the number of deployments, or the vehicles involved.

Information about a door opening becomes useful when it is connected to the expected movement of the shipment. A freight trailer may be scheduled to remain closed between collection and final delivery, while a multi-stop distribution vehicle may require access at several authorised destinations. The same event therefore has a different operational meaning depending on the location, timing, and handling arrangements for the cargo.

Multi-stop compatibility is a stated capability of Gen2. These deliveries involve repeated opening and closing of cargo compartments as goods are unloaded at successive destinations. Monitoring personnel need to distinguish activity that corresponds with a planned stop from an unexpected opening occurring elsewhere. Overhaul has not publicly specified how the new product identifies authorised events or what configuration information customers must provide.

Trailers and containers also present different installation and operating environments. Doors may use different locking arrangements, while roll-up doors move through a different mechanical sequence from hinged container doors. A detection system intended to work across these configurations must accommodate their physical characteristics, but the company has not released details of its sensor design or installation method.

Overhaul is deliberately restricting disclosure of the technology’s operating mechanism. Technical information is being shared in confidential customer briefings rather than through publicly available product specifications. The company says that revealing deployment details could help criminals adapt their methods. As a result, the announcement does not establish whether Gen2 uses a particular sensor type, communications protocol, power source, or mounting arrangement.

The system’s reported pilot performance must be assessed within those limits. Detection of every door-opening event in a trial is an encouraging company-reported result, but the outcome cannot be compared with other technologies without knowing how the trial was conducted. The published material does not identify the sample size, duration, environmental conditions, or methods used to evaluate the system.

A complete operational assessment would also need to consider unwanted alerts and the reliability of notifications under different transport conditions. A system generating frequent alerts during legitimate movements could increase monitoring workloads, while delayed communications might reduce the opportunity to investigate suspicious activity. Overhaul has not published a false-alert rate, a guaranteed notification latency, or an independently verified detection result for Gen2.

The technology adds a source of information to cargo security operations rather than replacing the need for incident assessment. A door-opening alert establishes that a monitored event has occurred, but it does not identify the person responsible, determine whether goods have been removed, or establish that a theft is underway. The surrounding shipment information and the response procedures adopted by the transport provider remain important.

Shipment monitoring teams may need to compare an unexpected event with the vehicle’s planned route, authorised stops, and delivery schedule. Depending on the circumstances, an alert can be investigated with the carrier or escalated through the customer’s security arrangements. Effective intervention depends on the information available, communications with the parties responsible for the vehicle, and the ability to respond appropriately at the reported location.

The product extends Overhaul’s existing shipment risk intelligence activities. Its platform combines transport visibility with information intended to help identify and respond to cargo theft, unauthorised activity, and other disruptions. The company works with shippers, carriers, and logistics providers moving goods that can be particularly sensitive to loss, delay, or changes in transport conditions.

Overhaul has previously developed connected cargo security products. In December 2023, it introduced an Intelligent Door Seal incorporating Bluetooth and GPS technology, capable of generating alerts when a trailer door was opened. The November 2026 launch is a separate Gen2 offering distinguished in the current announcement by its ability to detect door openings independently of seal integrity. Overhaul has not publicly detailed the engineering differences between the products.

Earlier this year, the company also expanded its security partnership with BNSF Railway, connecting shipment risk intelligence with an intermodal rail network. That arrangement concerns monitoring and security coordination across freight movements rather than the specific Gen2 door-detection technology. The latest launch gives Overhaul an additional product that can be offered to customers managing individual cargo compartments.

Containerised freight can pass through several transport and storage environments before delivery. A shipping container may be moved between vessels, port terminals, inland depots, and road vehicles, creating multiple points at which access needs to be controlled and documented. The compatibility claimed for Gen2 extends its potential use beyond domestic trailers, although the company has not specified how event records are transferred between different operators or systems.

Rigo Garcia, Global Head of Supply Chain Security and Americas Regional Security Senior Director at Dell, contributed comments to the launch, supporting the use of improved cargo information in security decision-making. The announcement does not identify a specific Dell fleet deployment or report theft-prevention results achieved through Gen2.

Overhaul is presenting the product through confidential customer sessions, including briefings at the TAPA Americas Conference on 11 November. Access remains restricted to its customer base, and pricing, equipment specifications, and wider commercial availability have not been disclosed.

The launch establishes an additional method of detecting access to freight compartments without depending on seal status. Its operating performance beyond the reported pilots will depend on reliable detection, timely alerts, and the procedures used to investigate unexpected events. The company has not yet published the technical and deployment evidence needed to quantify those outcomes across commercial transport operations.