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Technology
- Legacy SCADA and ICS platforms
- Remote monitoring and telemetry systems
- Flat networks connecting OT and IT
- Unpatched or unsupported control systems
Cybersecurity for critical infrastructure
Essential services, running and protected
Energy, water, transportation, and industrial operators run systems that were never designed for today's threat landscape. A disruption can cascade well beyond a single network, affecting public safety and every organization that depends on the service.
OT and IT securityOperational continuity24/7 monitoring options
A converging threat environment
When operational technology meets IT risk
Critical infrastructure operators increasingly connect operational technology (OT) and industrial control systems (ICS) to corporate IT networks and the internet.
Programmable logic controllers, SCADA systems, remote monitoring platforms, and legacy control systems were often built for reliability, not cybersecurity. Once connected, they can become a path into the systems that keep power flowing, water treated, or transportation running.
Attacks on infrastructure are rising
CISA and international partners have repeatedly warned that state-linked and criminal actors are targeting operational technology in energy, water, and transportation systems, seeking both disruption and long-term access.
Source: CISA advisories on OT/ICS threats
Common exposure points
Legacy systems and converged networks create new risk
Access
- Remote access for vendors and integrators
- Shared operator credentials
- Limited multi-factor authentication on OT systems
- Third-party maintenance connections
Resilience
- Manual failover and limited redundancy
- Backups not isolated from operational networks
- Untested incident response for OT environments
- Limited visibility into OT asset inventory
Regulatory and framework landscape
Expectations are increasing across sectors
Requirements vary by sub-sector, but oversight of critical infrastructure cybersecurity continues to expand in scope and specificity.
Frameworks commonly referenced
- NIST Cybersecurity Framework 2.0
- CISA Cross-Sector Cybersecurity Performance Goals
- NERC CIP standards for the bulk electric system
- TSA pipeline and rail security directives
- Sector-specific water and wastewater guidance
A practical starting point
Rather than starting from a specific regulation, HTS helps operators build foundational controls—asset visibility, segmentation, monitoring, and recovery—that support multiple frameworks at once and can be adapted as requirements evolve.
How HTS helps
Layered controls for OT and IT environments
OT/IT segmentation
Separate operational networks from corporate IT to limit how far a compromise can spread.
Asset and exposure visibility
Identify OT and IT devices, unmanaged connections, and exposures often missing from traditional inventories.
Endpoint and network monitoring
Extend visibility and monitoring to the IT systems that support and connect to operational environments.
Identity and remote access protection
Control and monitor vendor, integrator, and remote operator access to sensitive systems.
Incident response readiness
Prepare to contain and investigate incidents that could affect operational continuity.
Resilient recovery
Support backup, recovery, and continuity planning for IT and the systems adjacent to operational technology.
Who we support
Operators that keep essential services running
- Energy and utility providers
- Water and wastewater systems
- Transportation and logistics operators
- Industrial and manufacturing facilities
- Telecommunications providers
- Public sector infrastructure operators
Protect the systems that essential services depend on.Start a conversation