RTCS OT Secure Guard

Protect Industrial Operations Before Cyber Threats Disrupt Production

OT Secure Guard is a defensive OT/ICS cybersecurity service for factories, utilities, industrial facilities, and critical infrastructure. We help secure PLCs, SCADA, HMIs, engineering workstations, industrial networks, and remote access paths without disrupting operations.

View Defensive OT Coverage
OT / ICS Security
SCADA Visibility
Network Segmentation
Remote Access Hardening
Incident Readiness
IEC 62443-Aligned

OT Reality

Industrial Cybersecurity Is Different from Traditional IT Security

Industrial environments have different constraints: uptime, safety, legacy equipment, specialized protocols, and operational continuity all matter. OT Secure Guard is designed around those realities.

Downtime Is Not Acceptable

Downtime Is Not Acceptable

Production availability is critical. Even short outages can cause safety, financial, and operational impact.

Legacy Systems Cannot Always Be Patched

Legacy Systems Cannot Always Be Patched

Many OT systems run for decades. Patching or upgrades can introduce operational risk and require strict change control.

Flat Networks Increase Blast Radius

Flat Networks Increase Blast Radius

Unsegmented networks allow threats to move across critical systems faster than teams can contain them.

Visibility Is Often Limited

Visibility Is Often Limited

Limited telemetry and asset awareness can create dangerous blind spots across industrial environments.

Coverage

What OT Secure Guard Covers

Our defensive model combines asset visibility, segmentation review, secure access, detection engineering, risk prioritization, and incident readiness into one practical OT security engagement.

OT Asset Visibility

Discover and inventory OT assets, communications, vendors, firmware, and industrial protocols across your environment.

OT Network Segmentation Review

Evaluate and strengthen network boundaries, zones, conduits, firewall rules, and IT/OT trust relationships.

Secure Remote Access Review

Assess and harden vendor access, VPN exposure, MFA coverage, privileged accounts, and jump-host workflows.

OT Threat Detection Engineering

Build monitoring logic for abnormal OT behavior, suspicious remote access, new device events, and high-risk changes.

Vulnerability and Risk Prioritization

Prioritize risk using asset criticality, exploitability, exposure, operational impact, and patch feasibility.

OT Incident Readiness

Prepare playbooks, escalation workflows, backup validation, containment options, and recovery coordination.

OT Secure Guard Platform

Preview the Defensive OT Visibility Layer Built for Industrial Cyber Resilience

OT Secure Guard Platform gives executives, plant teams, and security analysts a unified preview of how RTCS structures industrial cybersecurity visibility across assets, risk, governance, and operational resilience. The dashboard suite below is a client-facing preview model designed to communicate what your organization can monitor, prioritize, and improve.

OT Secure Guard Platform

Executive Command

System Healthy May 24, 2025 · 10:24 AM 3 AD
1Overall OT Risk Score
68/100
High Risk
2Critical Assets at Risk
7
↑ 2 vs yesterday
3Active Critical Alerts
5
↑ 1 vs yesterday
4Segmentation Health
82%
Good
5Backup & Recovery Readiness
95%
Healthy
6Compliance Readiness
74%
Improving

Risk Trend Over 30 Days

Apr 24May 4May 14May 24 6857

Top OT Risk Categories

Unpatched Systems8.9
Remote Access Exposure7.6
Weak Segmentation7.1
Legacy Systems5.9
Backup Validation Gaps4.8

Incident Status

Open9 (28%)
In Progress11 (34%)
Resolved12 (38%)

Critical Assets at Risk

Asset NameSite / ZonePrimary RiskScoreCriticality
PLC-PAK-01Plant A / Process Line 1Unpatched System92Critical
HMI-WTR-02Plant B / Water TreatmentRemote Access Exposure87Critical
ENG-WS-01Plant C / EngineeringWeak Segmentation78High
SCADA-SRV-01Utilities / Control RoomLegacy System71High

Site Risk Overview

AssetThreatImpactOverall
Plant A80758580
Plant B70657068
Plant C60556560
Utilities55606058
Warehouse30253530

Priority Actions

1Patch vulnerable systems with exposed CVEs
2Review and restrict remote access to critical assets
3Improve network segmentation for OT zones
4Close backup validation gaps and test restores
1Total Discovered Assets
1,356
↑ 5.2% vs last 30 days
2New Assets This Week
48
↑ 14.3% vs last week
3Critical Assets
78
↑ 6 vs last 30 days
4Unclassified Devices
112
↑ 12 vs last 30 days
5Firmware Outdated
187
13.8% of total assets
6Protocol Coverage
6 / 18
33% observed

Asset Distribution by Type

PLCs322
HMIs275
SCADA Servers168
Historians112
Eng. Workstations126
Other353

Asset Inventory

Asset NameTypeVendorSite / ZoneIP AddressRisk
PLC-P1-01PLCSiemensPlant 1 / Line A10.10.1.2192
SCADA-PRD-01SCADAAVEVAPlant 1 / Control10.10.1.1088
HMI-P1-L1-07HMIRockwellPlant 1 / Line 110.10.1.5775
ENG-WS-03Eng. WSDellPlant 2 / Eng.10.20.2.3372
PLC-P2-04PLCSchneiderPlant 2 / Line B10.20.2.4468

Newly Detected Devices

1M580-P3-06 - Schneider - 09:48 AM
2HMI-P2-L2-05 - Rockwell - 09:37 AM
3SW-ACC-12 - Cisco - 09:22 AM
4IO-RACK-07 - Schneider - 08:59 AM

Vendor Breakdown

Siemens312
Rockwell248
Schneider186
ABB112
Cisco98
AVEVA86

Protocol Usage

Modbus TCP512
OPC UA321
Profinet214
EtherNet/IP156
DNP374
1High-Risk Assets
231
↑ 12 vs last 7 days
2Critical Vulnerabilities
256
↑ 9 vs last 7 days
3Legacy / EOL Systems
62
↑ 5 vs last 7 days
4Patch-Restricted Assets
119
↑ 7 vs last 7 days
5Compensating Controls Required
24
↑ 3 vs last 7 days
6Risk Reduction Potential
18%
if top actions completed

Top Risks by Category

Unpatched Systems8.9
Remote Access Exposure7.6
Weak Segmentation7.1
Legacy & EOL Systems5.9
Insecure Protocols4.2

Critical Assets at Risk

AssetSite / ZoneRiskTop RiskCriticality
PLC-P1-001Plant 1 / Process Line 19.2Unpatched SystemsCritical
HMI-MIX-02Plant 2 / Mixing Area8.7Remote Access ExposureCritical
ENG-WS-01Plant 1 / Eng. WS8.1Weak SegmentationHigh
SCADA-SRV-01Utilities / Control7.6Legacy & EOLHigh

Vulnerability Severity Distribution

Critical256
High612
Medium608
Low306
Info60

Site / Zone Risk Heatmap

Plant 18.6
Plant 27.8
Plant 36.5
Utilities5.3
Warehouse4.1

Remediation Priority

1Patch unpatched critical systems - 9.2
2Restrict and monitor remote access - 8.5
3Strengthen network segmentation - 8.1
4Replace legacy / EOL systems - 7.8
1Control Coverage
86%
Covered
2IEC 62443 Alignment
74%
Aligned
3NIST SP 800-82 Readiness
71%
Ready
4Open Gaps
32
High Priority
5Policy Exceptions
12
Active
6Evidence Collection Status
68%
Collected

Framework Alignment Matrix

FrameworkIdentifyProtectDetectRespondRecoverOverall
IEC 6244379%82%69%73%75%74%
NIST CSF73%78%66%70%71%72%
NIST SP 800-8271%75%65%69%74%71%
Internal Controls76%81%68%72%73%74%

Control Status

Fully Implemented132 (42%)
Partially Implemented96 (31%)
Planned48 (15%)
Not Implemented36 (12%)

Site Readiness Heatmap

IdentifyProtectDetectRespondRecoverOverall
Plant A828577808381
Plant B767970747875
Plant C687263677168
Remote 1646958626664
Remote 2616654596361

Upcoming Review Timeline

1Jun 03 - IEC 62443-3-3 gap review
2Jun 11 - NIST SP 800-82 control review
3Jun 18 - Policy exception review
4Jun 24 - Internal controls assessment

ConduitMap

Zone and conduit topology visibility is available in the full OT Secure Guard application.

Available in the full application

ThreatPulse OT

OT threat intelligence and detection analytics are available in the full OT Secure Guard application.

Available in the full application

AccessGate OT

Privileged OT access governance is available in the full OT Secure Guard application.

Available in the full application

Architecture

Defensive Security Built Around Uptime, Safety, and Control

OT Secure Guard uses a practical zones-and-conduits mindset to reduce lateral movement, improve visibility, and protect operational continuity across enterprise, DMZ, OT, SCADA, controller, and physical process layers.

Purdue-style OT security architecture layers from enterprise IT to physical process
Segmented & Monitored
Threats Detected Early
Operations Stay Protected

Operating Model

A Practical Blue-Team Model for OT Environments

The engagement is structured to move from visibility to control, monitoring, and response readiness without treating industrial systems like ordinary IT assets.

01

Discover

Map assets, communication paths, vendors, zones, and exposed services.

02

Assess

Review segmentation, remote access, vulnerabilities, and operational risk.

03

Harden

Apply practical controls that reduce risk without disrupting production.

04

Monitor

Create OT-specific detection use cases, alerting, and reporting visibility.

05

Respond

Prepare containment workflows, escalation paths, and recovery decisions.

06

Improve

Refine controls, documentation, monitoring, and resilience continuously.

Review Areas

Security Review Areas

OT Secure Guard reviews the areas that most directly influence industrial cyber resilience and production continuity.

Network Layer

  • IT/OT segmentation
  • Industrial DMZ
  • Firewall rules
  • VLANs and routing
  • Remote access paths

Asset Layer

  • PLCs and RTUs
  • HMIs and SCADA servers
  • Historians
  • Engineering workstations
  • Industrial IoT devices

Identity & Access

  • Vendor accounts
  • Privileged access
  • Shared accounts
  • MFA coverage
  • Jump host governance

Monitoring & Detection

  • SIEM visibility
  • OT log sources
  • Network traffic patterns
  • Alert triage
  • Anomaly monitoring

Resilience

  • Backups
  • Restore testing
  • Manual fallback
  • Incident response playbooks
  • Business continuity alignment

Industries

Designed for Industrial and Critical Environments

Whether your OT environment is modern, legacy, hybrid, vendor-managed, or partially undocumented, OT Secure Guard helps create visibility and defensive control.

Manufacturing
Energy & Utilities
Water & Wastewater
Oil & Gas
Logistics & Ports
Food & Beverage
Pharmaceuticals
Smart Buildings
Critical Infrastructure

Framework Alignment

Aligned with Recognized OT Security Practices

OT Secure Guard is a practical security engagement that supports stronger alignment with recognized OT and cybersecurity practices. It is not positioned as a certification-issuing service.

NISTSP 800-82

Guide to ICS Security

IEC62443

Industrial Automation Security

CISAICS Guidance

Industrial Control Systems Cybersecurity

MITREATT&CK for ICS

Adversary Tactics for ICS

NISTCSF

Cybersecurity Framework

ISO27001

Information Security Management

FAQ

Frequently Asked Questions

Clear answers for security leaders, plant managers, engineering teams, and compliance stakeholders evaluating OT Secure Guard.

What is OT Secure Guard?

OT Secure Guard is a defensive OT/ICS cybersecurity service designed to help industrial organizations improve visibility, segmentation, detection, risk prioritization, secure access, and incident readiness across operational technology environments.

Is OT security different from IT security?

Yes. OT security must account for production uptime, physical safety, legacy systems, specialized industrial protocols, vendor access, engineering workflows, and the consequences of disrupting operational processes.

Does OT Secure Guard include penetration testing?

OT Secure Guard is primarily a blue-team defensive service. Controlled exposure assessment, architecture review, configuration review, and safe validation can be included where appropriate, but intrusive testing must be carefully scoped for OT environments.

Can you secure legacy PLC and SCADA systems?

Yes. Many legacy PLC, HMI, SCADA, historian, and controller environments cannot be patched easily. OT Secure Guard focuses on compensating controls such as segmentation, access control, monitoring, vendor governance, and response readiness.

Can OT Secure Guard work with our existing SOC or SIEM?

Yes. The service can support OT detection engineering, SIEM integration planning, log source mapping, alert use-case development, reporting, and SOC workflow improvement.

Can this work with Power BI dashboards?

Yes. Executive posture, asset visibility, risk prioritization, and control readiness dashboards can be represented in Power BI-style reporting. Real-time packet-level monitoring or deep alert triage may require SIEM, network sensors, or a custom operational dashboard layer.

Do you provide IEC 62443 certification?

No. OT Secure Guard can help organizations align controls, review gaps, collect evidence, and improve readiness against IEC 62443 concepts, but it should not be presented as an accredited certification service.

Is active scanning safe in OT environments?

Active scanning can create risk in sensitive OT environments. OT Secure Guard should prioritize safe discovery, passive visibility where possible, careful change control, and approved testing windows for any active validation.

What assets are usually reviewed?

Common review targets include PLCs, RTUs, HMIs, SCADA servers, engineering workstations, historians, industrial switches, remote access systems, vendor access paths, and safety-related supporting infrastructure.

What does the OT Secure Guard Platform preview show?

The platform preview demonstrates how a client-facing dashboard could organize executive posture, asset visibility, risk prioritization, and control readiness views inside one unified reporting experience.

How does OT Secure Guard reduce production risk?

It reduces risk by identifying critical assets, mapping risky communication paths, improving segmentation, hardening remote access, prioritizing vulnerabilities, tuning detection, and preparing response workflows before disruption occurs.

Who should use this service?

OT Secure Guard is suitable for manufacturers, utilities, oil and gas operators, water facilities, logistics environments, smart buildings, pharmaceuticals, food production, and other organizations with industrial or critical operational systems.