VajraSec Technologies
Securing
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OT Security Operations

Industrial Security

OT Security Monitoring & SIEM Integration.

Cisco
Fortinet
Palo Alto
Siemens
Rockwell
Wireshark
OT-SIEM
Assess & Protect
Integrate OT-SIEM

Industrial cybersecurity tools, frameworks, and vendor platforms leveraged across our engagements

Wireshark

Wireshark

Protocol Deep Packet Inspection

Decodes Modbus, DNP3, CIP, and S7comm without production impact.

Wireshark
Splunk OT

Splunk OT

Industrial Telemetry & SIEM

Centralized logging and correlation for plant-wide operational visibility.

Splunk OT
Fortinet

Fortinet

Ruggedized Perimeter Protection

Industrial firewall rule validation and Purdue model segmentation.

Fortinet
Palo Alto Networks

Palo Alto Networks

Zero Trust Industrial Defense

App-ID inspection for OT protocols and granular access control policies.

Palo Alto Networks
Siemens SIMATIC

Siemens SIMATIC

ICS Engineering Baseline

Hardware configuration review and firmware vulnerability gap analysis.

Siemens SIMATIC
Rockwell Automation

Rockwell Automation

ControlLogix & PLC Defense

FactoryTalk security architecture and Allen-Bradley hardening baselines.

Rockwell Automation
Cisco Industrial

Cisco Industrial

Hardened Network Switching

Substation and plant-floor micro-segmentation aligned with IEC 62443.

Cisco Industrial
Schneider Electric

Schneider Electric

EcoStruxure Automation

Modicon PLC protection and Triconex safety instrumented system reviews.

Schneider Electric
Elastic / ELK

Elastic / ELK

Telemetry Search & Analytics

High-speed query engine for industrial anomaly and threat hunting.

Elastic / ELK
Kali Linux OT

Kali Linux OT

Controlled Assessment Tools

Passive, safety-first reconnaissance tools for industrial networks.

Kali Linux OT
Grafana OT

Grafana OT

Operational Dashboards & Metrics

Visualizing industrial network health, sensor flows, and security alerts in real time.

Grafana OT
Wireshark

Wireshark

Protocol Deep Packet Inspection

Decodes Modbus, DNP3, CIP, and S7comm without production impact.

Wireshark
Splunk OT

Splunk OT

Industrial Telemetry & SIEM

Centralized logging and correlation for plant-wide operational visibility.

Splunk OT
Fortinet

Fortinet

Ruggedized Perimeter Protection

Industrial firewall rule validation and Purdue model segmentation.

Fortinet
Palo Alto Networks

Palo Alto Networks

Zero Trust Industrial Defense

App-ID inspection for OT protocols and granular access control policies.

Palo Alto Networks
Siemens SIMATIC

Siemens SIMATIC

ICS Engineering Baseline

Hardware configuration review and firmware vulnerability gap analysis.

Siemens SIMATIC
Rockwell Automation

Rockwell Automation

ControlLogix & PLC Defense

FactoryTalk security architecture and Allen-Bradley hardening baselines.

Rockwell Automation
Cisco Industrial

Cisco Industrial

Hardened Network Switching

Substation and plant-floor micro-segmentation aligned with IEC 62443.

Cisco Industrial
Schneider Electric

Schneider Electric

EcoStruxure Automation

Modicon PLC protection and Triconex safety instrumented system reviews.

Schneider Electric
Elastic / ELK

Elastic / ELK

Telemetry Search & Analytics

High-speed query engine for industrial anomaly and threat hunting.

Elastic / ELK
Kali Linux OT

Kali Linux OT

Controlled Assessment Tools

Passive, safety-first reconnaissance tools for industrial networks.

Kali Linux OT
Grafana OT

Grafana OT

Operational Dashboards & Metrics

Visualizing industrial network health, sensor flows, and security alerts in real time.

Grafana OT
Wireshark

Wireshark

Protocol Deep Packet Inspection

Decodes Modbus, DNP3, CIP, and S7comm without production impact.

Wireshark
Splunk OT

Splunk OT

Industrial Telemetry & SIEM

Centralized logging and correlation for plant-wide operational visibility.

Splunk OT
Fortinet

Fortinet

Ruggedized Perimeter Protection

Industrial firewall rule validation and Purdue model segmentation.

Fortinet
Palo Alto Networks

Palo Alto Networks

Zero Trust Industrial Defense

App-ID inspection for OT protocols and granular access control policies.

Palo Alto Networks
Siemens SIMATIC

Siemens SIMATIC

ICS Engineering Baseline

Hardware configuration review and firmware vulnerability gap analysis.

Siemens SIMATIC
Rockwell Automation

Rockwell Automation

ControlLogix & PLC Defense

FactoryTalk security architecture and Allen-Bradley hardening baselines.

Rockwell Automation
Cisco Industrial

Cisco Industrial

Hardened Network Switching

Substation and plant-floor micro-segmentation aligned with IEC 62443.

Cisco Industrial
Schneider Electric

Schneider Electric

EcoStruxure Automation

Modicon PLC protection and Triconex safety instrumented system reviews.

Schneider Electric
Elastic / ELK

Elastic / ELK

Telemetry Search & Analytics

High-speed query engine for industrial anomaly and threat hunting.

Elastic / ELK
Kali Linux OT

Kali Linux OT

Controlled Assessment Tools

Passive, safety-first reconnaissance tools for industrial networks.

Kali Linux OT
Grafana OT

Grafana OT

Operational Dashboards & Metrics

Visualizing industrial network health, sensor flows, and security alerts in real time.

Grafana OT
Wireshark

Wireshark

Protocol Deep Packet Inspection

Decodes Modbus, DNP3, CIP, and S7comm without production impact.

Wireshark
Splunk OT

Splunk OT

Industrial Telemetry & SIEM

Centralized logging and correlation for plant-wide operational visibility.

Splunk OT
Fortinet

Fortinet

Ruggedized Perimeter Protection

Industrial firewall rule validation and Purdue model segmentation.

Fortinet
Palo Alto Networks

Palo Alto Networks

Zero Trust Industrial Defense

App-ID inspection for OT protocols and granular access control policies.

Palo Alto Networks
Siemens SIMATIC

Siemens SIMATIC

ICS Engineering Baseline

Hardware configuration review and firmware vulnerability gap analysis.

Siemens SIMATIC
Rockwell Automation

Rockwell Automation

ControlLogix & PLC Defense

FactoryTalk security architecture and Allen-Bradley hardening baselines.

Rockwell Automation
Cisco Industrial

Cisco Industrial

Hardened Network Switching

Substation and plant-floor micro-segmentation aligned with IEC 62443.

Cisco Industrial
Schneider Electric

Schneider Electric

EcoStruxure Automation

Modicon PLC protection and Triconex safety instrumented system reviews.

Schneider Electric
Elastic / ELK

Elastic / ELK

Telemetry Search & Analytics

High-speed query engine for industrial anomaly and threat hunting.

Elastic / ELK
Kali Linux OT

Kali Linux OT

Controlled Assessment Tools

Passive, safety-first reconnaissance tools for industrial networks.

Kali Linux OT
Grafana OT

Grafana OT

Operational Dashboards & Metrics

Visualizing industrial network health, sensor flows, and security alerts in real time.

Grafana OT
Engagement Scope

Key components of our OT-SIEM

A structured, defined delivery model ensuring you receive actionable outputs and tangible improvements to your operational security posture. Built specifically for industrial automation and critical infrastructure without risking production uptime.

OT-Native Log Aggregation

OT-Native Log Aggregation

Collect and normalize security logs from firewalls, HMIs, domain controllers, and industrial network switches.

ICS Correlation Engine

ICS Correlation Engine

Correlate security telemetry against the MITRE ATT&CK for ICS framework to uncover multi-stage attacks.

Enterprise SIEM Integration

Enterprise SIEM Integration

Bi-directionally bridge OT telemetry with enterprise platforms like Splunk, Microsoft Sentinel, and Wazuh.

Engineering Workstation Monitoring

Engineering Workstation Monitoring

Monitor file integrity, process execution, and project file modifications on critical engineering stations.

Custom Plant-Floor Dashboards

Custom Plant-Floor Dashboards

Provide intuitive real-time visualizations displaying network health, active alerts, and compliance status.

OT-SIEM Operational Challenge
The Operational Challenge

Protect your infrastructure from evolving threats.

OT Security Monitoring & SIEM Integration.

OT SECURITY METHODOLOGY

Proven 4-Stage Methodology for OT-SIEM

Our structured engineering methodology is designed specifically for operational technology and industrial control environments. Every phase is executed passively with strict change governance, ensuring zero disruption to live manufacturing and continuous compliance with IEC 62443.

Zero operational disruption to live plant controls
Aligned with IEC 62443 & Purdue architecture
Deterministic, engineering-led deliverables
Get Started
1

Telemetry Identification

Identifying essential industrial telemetry sources including firewall logs, jump hosts, and PLC syslogs.

2

Protocol Parsing

Building dedicated parsers for industrial protocol events, ensuring OT metadata is structured and indexed.

3

Correlation Rules

Creating high-fidelity correlation rules linking IT threat intelligence with plant-floor physical consequences.

4

Operational Dashboards

Designing tailored executive and analyst dashboards providing real-time situational awareness across facilities.

Target Audience

Who Benefits Most From This Engagement?

Engineered for plant operations, control systems engineers, and cybersecurity leaders responsible for operational resilience.

Corporate & Enterprise SOCs

Corporate & Enterprise SOCs

Ingest and correlate industrial telemetry alongside corporate IT logs within Splunk, Sentinel, or Wazuh.

Industrial Cybersecurity Analysts

Industrial Cybersecurity Analysts

Leverage MITRE ATT&CK for ICS correlation rules to identify targeted multi-stage adversary techniques.

Plant Operations Leadership

Plant Operations Leadership

Access centralized real-time operational security dashboards displaying plant health and incident status.

Ready to Secure Your Plant Floor?

Speak with our OT cybersecurity experts to build a strategy that protects your critical processes.

BOOK OT SECURITY ASSESSMENT •