UPTIME, SAFETY, AND RELIABILITY ARE NON-NEGOTIABLE
Why unmanaged and IT-centric remote access fails in utility environments
Legacy infrastructure, distributed assets, and increasing external connectivity create complexity that demands strict access control.
Remote access is essential for operations and incident response – but when it relies on VPNs, shared credentials, vendor tools, and inconsistent policies, control breaks down.
In critical infrastructure, that creates operational and regulatory risk.
Critical infrastructure cannot tolerate uncontrolled access
Treatment plants, pumping stations, pipelines, and control centers operate continuously and require stable, uninterrupted performance.
Unstructured remote access can disrupt live systems, increase the risk of outages, and slow response due to limited visibility.
Distributed assets and vendor access require consistent governance
Utilities operate across geographically dispersed and often remote sites while relying on OEMs and contractors for ongoing support.
Without a structured approach, access policies vary across locations, visibility is fragmented, and vendor activity becomes difficult to control and audit.
IT-style security models do not fit availability-first OT environments
Utility infrastructure is designed to ensure continuous service across critical systems.
Agent-based tools or broad network access models can introduce instability or unnecessary exposure, making it difficult to enforce safe, granular control over critical systems.
ENSURING THE RESILIENCE OF ESSENTIAL SERVICES
Remote access that supports regulatory compliance in utilities
Utilities face strict regulatory expectations to secure critical infrastructure.
Across frameworks, the requirement is clear: access to operational systems must be controlled, monitored, and traceable.
Structured OT secure remote access provides the control and visibility needed to meet these requirements.
NERC CIP – NORTH AMERICAN POWER SYSTEM SECURITY
NERC CIP standards require utilities to secure access to critical cyber assets, enforce authentication, and monitor all access activity.
OT secure remote access supports NERC CIP by:
- Enforcing identity-based access control for all users
- Limiting access to defined systems instead of entire networks
- Providing complete visibility and logging of remote sessions
OPERATIONAL SAFETY AND HIGH-HAZARD ENVIRONMENTS
Utilities operating high-risk facilities such as gas infrastructure, chemical storage, and water treatment plants must also comply with safety frameworks such as Seveso (EU), COMAH (UK), PSM (US), and RMP (US).
While these frameworks focus on process safety and accident prevention, they increasingly depend on secure and controlled access to operational systems.
Uncontrolled remote access can introduce risk to critical processes. Structured OT secure remote access supports these environments by:
- limiting access to authorized users and defined systems,
- ensuring full visibility of remote activity,
- reducing the risk of unintended or unsafe system interaction.
NIS2 – EUROPEAN CRITICAL INFRASTRUCTURE PROTECTION
Regulations such as NIS2 require organizations providing essential services to implement risk management, access control, monitoring, and incident response measures in OT environments.
OT secure remote access supports these requirements by:
- Enforcing identity-based authentication for all remote users
- Limiting connectivity to specific production assets and OT zones
- Providing continuous monitoring and logging of remote sessions
These controls help organizations demonstrate that access to production systems is governed, monitored, and protected as part of their broader cybersecurity risk management program.
IEC 62443 – SECURING INDUSTRIAL CONTROL SYSTEMS
IEC 62443 provides a global framework for securing industrial control systems used in utilities.
OT secure remote access aligns with these principles by:
- enforcing segmented, asset-level access,
- preventing flat network exposure via VPNs,
- providing centralized visibility and control.
US AND SECTOR-SPECIFIC CYBERSECURITY REQUIREMENTS
Utilities in the United States must also align with sector-specific and national cybersecurity guidance, including the NIST Cybersecurity Framework (NIST CSF) and TSA pipeline security guidelines.
OT secure remote access supports these frameworks by:
- enforcing identity-based access control,
- providing visibility into remote activity,
- supporting incident detection and response.
Practical remote access use cases in utility environments
Secomea's Secure Remote Access solution can be seamlessly deployed across PLC-controlled infrastructure, HMIs, substations, SCADA systems, RTUs, treatment systems, pipelines, and distributed field assets – regardless of age or brand.
Controlled access to critical systems
Time-limited, role-based access can be granted to defined systems or zones – reducing exposure and maintaining operational integrity.
Troubleshooting live operations without disruption
Engineers and external partners can diagnose and resolve issues quickly, reducing mean-time-to-repair while maintaining isolation between critical systems.
Centralized governance across distributed infrastructure
Policies, user permissions, and session activities are managed centrally, while access is enforced locally across sites.
Full traceability for audits and incident response
Remote access sessions are logged, recorded, and traceable, supporting regulatory audits, incident investigations, and internal compliance reviews.
Keep critical operations running under control
Utilities must respond quickly to operational issues while preserving system reliability.
Secomea’s Secure Remote Access solution helps you achieve:
- Faster recovery from incidents across distributed assets
- More predictable and controlled vendor intervention
- Reduced risk of outages caused by unmanaged entry points
- Consistent governance across sites and infrastructure
- Full visibility over all remote access activity
HERE'S HOW WE DO IT AT SECOMEA
OT-native access architecture for critical infrastructure
Access in utility environments must protect critical systems without introducing additional risk or impacting availability.
Secomea enforces asset-level segmentation while centralizing identity, policy, and logging – without interfering with live control systems.
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Asset-level access instead of full network exposure
Access is granted to specific substations, treatment systems, pipelines, or devices – not the entire network. -
Centralized governance with local enforcement
Users, permissions, and logging are managed centrally in the cloud, while access is enforced on-site through the SiteManager. This ensures consistent policy enforcement across sites without relying on complex VPN infrastructure. -
Compatible with both legacy and modern infrastructure
No agents on control systems. No disruption to real-time processes. No need to interrupt critical operations. Secomea integrates with your existing infrastructure without requiring architectural redesign.
Supporting all utility sectors
Protect availability, safety, and compliance while enabling efficient remote operations across utility environments, with Secomea.
Electricity and power generation – substations, grid infrastructure, SCADA systems
Water and wastewater treatment – pumping stations, treatment plants, distribution networks
Natural gas and district heating – pipelines, compressor stations, control systems
Waste management and recycling facilities – sorting systems, processing plants, and site operations
What they say about us
Read why global critical infrastructure organizations chose Secomea to secure their remote access operations around the world.
How water-treatment plants in the Missouri Ozarks monitor 40 million gallons of wastewater 24/7 with Secomea
City of Springfield (MO), Department of Environmental Services
Customer Story
Why Secomea was selected as the preferred remote access standard for 60+ energy sites
Global Energy Company
Case Study
Take control of remote access across your utility infrastructure
See how structured, OT-native secure remote access protects critical systems, supports compliance, and enables safe remote operations.
Book a meeting to:
- Explore how Secomea fits your OT environment
- Review architecture and deployment options
- Discuss compliance and third-party access requirements
- Get all your questions answered
Frequently asked questions
What is secure remote access in utility environments?
It is identity-based, controlled access to systems such as SCADA platforms, substations, treatment plants, and pipelines, ensuring all activity is traceable and secure.
How does it support regulatory compliance?
It enforces access control, monitoring, and traceability required by frameworks such as NERC CIP, NIS2, IEC 62443, and NIST CSF.
How is secure remote access different from VPNs?
Unlike traditional VPNs, secure remote access provides granular, identity-based access to specific systems rather than broad network access. This reduces cyber risk and improves visibility and control in OT environments.
Can vendor access be controlled and audited?
Yes. Access is approved, time-limited, and fully traceable, ensuring accountability for all external activity.
Does secure remote access impact operations?
No. It is designed for OT environments and does not interfere with real-time systems or infrastructure availability.
Can it be used across distributed infrastructure?
Yes. Access policies and logs are managed centrally while enforced locally across all sites.
How does secure remote access help organizations meet NIS2 requirements?
Secure remote access helps organizations meet NIS2 requirements by enabling strong access control, network segmentation, monitoring, and incident response capabilities for OT environments.
Is secure remote access suitable for legacy OT systems?
Yes. Secomea’s SRA built for OT is compatible with both legacy and modern industrial systems and can be deployed without requiring changes to existing production equipment.