By Brandon Hancock, J.D., CMMC-RP
CISA's January 14, 2026 operational technology connectivity guidance is not limited to utilities and plant operators. Government contractors that design, install, maintain, monitor, or remotely support operational technology (OT) should treat it as a practical checklist for reducing contract-performance risk.
OT connectivity is now a contracting issue
Operational technology is the equipment and software used to monitor or control physical processes. That includes industrial control systems, programmable logic controllers, building automation systems, manufacturing equipment, water systems, energy systems, transportation systems, and other connected environments where a cyber event can become a physical disruption.
For government contractors, OT risk can appear in several ways. A contractor may operate a facility for an agency. It may maintain building systems at a federal installation. It may support manufacturing for defense programs. It may provide remote monitoring, engineering, or integration services to a public-sector critical-infrastructure customer. In each case, the cybersecurity issue is not only whether the contractor's email system is patched. It is whether connectivity into operational environments is designed, justified, monitored, and controlled.
The January 2026 guidance is useful because it frames secure connectivity as an engineering and governance problem. Remote access, vendor access, cloud integration, and data transfer can create mission value, but they also create paths into systems that were not designed for internet-facing exposure.
The key lesson: connectivity should be intentional
The guidance's most important message for contractors is that OT connectivity should not be accidental. Connections should exist because they support a defined operational purpose, not because a vendor default, temporary troubleshooting session, or legacy configuration was left in place.
That means contractors should be able to answer basic questions before connecting to OT environments: why is the connection needed; who approved it; what systems can it reach; how is access authenticated; how is activity logged; how can the connection be disabled; and what happens if the connection is abused?
Those questions translate naturally into procurement language. A statement of work may require remote maintenance. A subcontract may allocate responsibility for monitoring. An agency may require reporting if a connected system is compromised. A prime contractor may need to flow down access-control requirements to an integrator or managed service provider. The contractor that cannot document these boundaries is exposed on both security and performance.
Why “air-gapped” assumptions are dangerous
Many organizations still describe OT environments as isolated. Some are. Many are not. Maintenance laptops, vendor remote-access tools, cloud dashboards, shared credentials, cellular modems, data historians, unmanaged switches, and temporary connections can all create access paths. The contract file may say one thing while the real environment says another.
For contractors, this creates a familiar compliance problem: representations, diagrams, and security plans must match operational reality. If a contractor tells an agency that a system is isolated, but support personnel routinely access it through an unmanaged remote tool, the issue is not just technical hygiene. It can become a contract-performance and disclosure problem.
What this means for government contractors
Contractors supporting OT should treat the CISA principles as a readiness aid for proposals, performance, and incident response. They should inventory OT connections, classify the business purpose for each connection, document who owns the risk decision, and verify that access is limited to the minimum necessary.
Prime contractors should pay particular attention to subcontractors and vendors. OT remote access is often delegated to specialists. If the prime is responsible to the government, it needs visibility into how those specialists connect, authenticate, log, and disconnect.
This is not a request to eliminate all remote access. It is a request to make remote access defensible. A well-managed connection with strong authentication, segmentation, monitoring, approval, and revocation may be safer than an informal emergency workaround created during an outage.
Next step: perform an OT connection review
Within the next 30 days, contractors supporting OT should identify every connection into the environment and record:
- the operational purpose;
- the systems reachable through the connection;
- the users and vendors authorized to use it;
- the authentication and logging method;
- the owner responsible for periodic review;
- the shutoff process during an incident; and
- the contract, subcontract, or statement-of-work provision that governs the activity.
If a connection cannot be tied to a documented purpose and owner, treat it as a priority risk.
Sources
- Secure Connectivity Principles for Operational Technology, Cybersecurity and Infrastructure Security Agency, January 14, 2026.
- CISA, UK NCSC, FBI Unveil Principles to Combat Cyber Risks in OT, Cybersecurity and Infrastructure Security Agency, January 14, 2026.