Coverage area
OT/ICS Security Monitoring
8 providers
Threat hunting, suspicious-activity review, alert enrichment, risk-based policy tuning, weekly findings, trend reviews and investigation support around Armis Centrix.
You still own Approving or executing containment actions in NAC, firewall, endpoint, identity or ITSM tools
24/7 monitoring of Forescout TDR detections, suspicious-entity triage, incident case investigation, impact classification, customer escalation, proactive threat hunting, log-source monitoring and containment or remediation guidance.
You still own Buying and operating the qualifying Forescout TDR subscription and sensors
24x7 MDR monitoring, investigation, false-positive reduction, alert resolution workflow, scoped response actions, coverage-gap visibility and SOC collaboration through CORR and MOBILESOC.
You still own Licensing, deploying and maintaining the EDR, SIEM, identity, cloud and other tools in scope
24/7 Mandiant MDR with alert triage, investigation, threat hunting, curated detections, investigation reports, supported technology integrations and scoped response actions through Google SecOps and partner tools.
You still own Licensing and operating the Google Security Operations environment and required partner technologies
24/7 managed detection, triage, investigation and contracted response through Orange Cyberdefense CyberSOCs, Core Fusion and supported EDR, NDR, SIEM, cloud and OT telemetry
You still own Connecting and maintaining agreed endpoint, network, cloud, identity, SIEM and OT telemetry sources
24/7 SOC monitoring of the buyer's Darktrace environment, alert triage, investigations, containment-action escalation, analyst questions, monthly service reports, service-ready checks and optimization reviews.
You still own Deploying and tuning the relevant Darktrace modules and sensors across the environment
GreyMatter connects to enterprise security tools, normalizes alerts, supports investigation and hunting, runs approved response playbooks and gives the buyer a shared operating surface with ReliaQuest analysts and engineers.
You still own Licensing and administering the SIEM, EDR, cloud, identity, email and network controls in scope
Hybrid or fully outsourced SOC operation with 24/7 monitoring, alert investigation, threat hunting, threat intelligence, SIEM and SOAR enhancement, incident response leadership and detection improvement across agreed environments.
You still own Defining whether the engagement is hybrid, fully outsourced or limited to a specific SOC function
How to use this list
Use it when
- Use this list when one part of your environment needs managed monitoring or response coverage.
Do not assume
- Coverage does not always mean action. Some providers monitor a source but cannot contain threats there.
Ask before shortlisting
- Confirm which telemetry sources are included by default.
- Ask whether response actions work on this surface or only alerting is included.
- Check whether reporting and detection tuning are part of the managed service.
Category background
These SOC providers monitor operational technology (OT) and industrial control systems (ICS) for cybersecurity threats — including SCADA, PLCs, and industrial network traffic. As IT and OT networks converge, protecting critical infrastructure from cyber threats is an urgent priority for manufacturing, energy, utilities, and government organizations.
Why OT/ICS Monitoring Matters
Industrial control systems were designed for reliability, not security. Many run legacy protocols and operating systems that cannot be easily patched or updated. The convergence of IT and OT networks has exposed these systems to threats they were never designed to withstand — including ransomware, nation-state attacks, and supply chain compromises. High-profile incidents like the Colonial Pipeline attack have demonstrated the real-world consequences of OT security failures.
What to Look For
Evaluate providers on their ability to discover and inventory OT assets, parse industrial protocols, detect anomalies without disrupting operations, and coordinate response actions with plant engineers and operational staff. Specialized OT SOC providers maintain separate monitoring environments for OT networks and employ analysts with industrial security certifications (GICSP, GRID) and experience in ICS-specific threat landscapes.