How to protect cargo flow when connected systems or supplier access fail
A functioning gate depends on more than the gate system. Release data, appointments, identity checks, terminal equipment, communications, and power may come from different organizations. A failure at one handoff can stop cargo movement even when the rest of the technology is working.
Port authorities, terminal operators, carriers, trucking companies, and technology suppliers should assess cyber resilience as a service requirement. The useful starting question is what must remain safe and trustworthy when one critical system becomes unavailable or its data cannot be trusted.
Address the rule that already exists
The Coast Guard’s marine transportation cybersecurity rule became effective July 16, 2025. It covers specified U.S.-flagged vessels, Outer Continental Shelf facilities, and facilities subject to MTSA regulations. The rule requires cybersecurity planning, an officer, assessments, and controls, with phased compliance dates. It does not apply identically to every business operating near a port. [1]
The published rule sets July 16, 2027 for required assessments and cybersecurity plan submissions. Confirm current guidance, applicability, training requirements, and any approved waiver or equivalency for the specific entity; that future milestone does not make all current responsibilities optional. [1]
Map the cargo service and its dependencies
Identify the systems needed to authorize release, admit a truck, locate a unit, move it, and record custody. Name the internal owner, supplier, access method, data source, and acceptable interruption for each. Include local controllers and operational technology, not only office computers.
NIST CSF 2.0 provides a framework for prioritizing and communicating cyber outcomes. Its supply-chain guide helps organizations establish supplier requirements. Neither document is a certificate that a port is secure or a substitute for applicable law. [2, 3]
| Dependency | Failure to test | Required operating decision |
|---|---|---|
| Cargo-release data | Data unavailable or suspected altered | Which loads must remain on hold? |
| Vendor remote access | Supplier account compromised | Who can terminate access and validate restoration? |
| Gate and appointment system | Cloud or network interruption | What safe, authorized reduced service is possible? |
| Equipment controls | IT incident may affect OT | What requires safe shutdown and specialist recovery? |
Control access through its full life
Maintain an approved inventory of supplier connections, including emergency support arrangements. Define who may enable access, its purpose, duration, logging, and how it is revoked. Check that a terminated employee or contractor no longer retains access through a supplier-managed account.
Use appropriate authentication, least privilege, segmentation, and monitoring with the technical team. In operational systems, test changes through a safe engineering process rather than applying an office-network procedure that could interrupt equipment or create a hazard.
Rehearse a believable interruption
In a hypothetical exercise, a terminal cannot trust the release feed for two hours. The response should identify the last reliable data, which movements require a hold, who can validate an exception, how truckers are informed, and how transactions will be reconciled. The exercise is not permission to bypass customs, security, or custody controls.
Test the service at reduced capacity. A manual process may be too slow, lack a trustworthy source, or depend on people who are not available on the affected shift. Record those limits rather than reporting that a fallback exists because it appears in a plan.
Define recovery as trusted operation
Restoring a server does not establish that release data, access rights, or equipment settings are correct. Set recovery checks, responsible approvers, supplier support expectations, and the order in which services resume. Confirm that backups can actually be restored and that necessary records survive.
Track tested recovery time, unresolved critical dependencies, expired access, exercise findings, and completion of corrective actions. Keep incident data and near misses in separate categories. The earlier article’s broad incident-growth and vendor-ranking claims are not needed to establish these operational risks.
For policymakers and industry groups, focus coordination on usable incident reporting, safe restoration, supplier accountability, and the ability of smaller partners to participate. Sharing information should have a defined purpose, appropriate access, and protection for sensitive operational details.
Diakon Partners helps organizations connect those operating responsibilities with policy, supplier, and stakeholder decisions. A credible digital-port strategy demonstrates which cargo services can continue safely and how normal service will be restored.