Technical Guides
Comprehensive technical guides on OT security architecture, standards implementation, and industrial network protection. Authored by OT security practitioners.
OT Security for CISOs: A Strategic Guide to Industrial Cybersecurity Governance
A strategic guide for CISOs and security leaders inheriting OT security responsibility, covering governance structures, organizational models, metrics, vendor management, board-level reporting, and building an OT security program from enterprise security foundations.
Read GuideIEC 62443 Compliance Guide: From Gap Assessment to Security Level Certification
A practitioner's guide to achieving IEC 62443 compliance in industrial environments, covering the complete standard series, Security Level targeting, gap assessment methodology, zone and conduit modeling, control implementation priorities, and preparing for third-party certification audits.
Read GuideOT Cybersecurity Risk Assessment: A Practitioner's Guide to Quantifying Industrial Risk
A complete guide to conducting cybersecurity risk assessments for OT environments, covering threat modeling for industrial processes, consequence analysis, likelihood estimation, risk scoring methodologies aligned with IEC 62443, and building risk treatment plans that operations teams will actually implement.
Read GuideIndustrial Protocol Security: Protecting Modbus, DNP3, OPC, and Beyond
A technical guide to securing industrial communication protocols in OT environments, covering the vulnerabilities of legacy protocols like Modbus TCP and DNP3, the security capabilities of OPC UA, deep packet inspection strategies, protocol-aware firewalling, and encryption options for industrial networks.
Read GuideOT Access Control and Identity Management: Securing Human and Machine Access
A practical guide to implementing access control and identity management in OT environments, covering the unique challenges of shared accounts, vendor access, role-based access, multi-factor authentication, privileged access management, service account governance, and physical-cyber convergence.
Read GuideOT Network Segmentation: Implementing Zones and Conduits for Industrial Security
A practical guide to designing and implementing network segmentation for OT environments using the Purdue model and IEC 62443 zones and conduits, covering DMZ architecture, firewall rule design for industrial protocols, and common segmentation pitfalls.
Read GuideSCADA Security Best Practices: Protecting Supervisory Control Systems
A detailed guide to securing SCADA systems covering architecture, network segmentation, protocol security, access control, monitoring, remote access, and defense-in-depth strategies for protecting supervisory control and data acquisition infrastructure.
Read GuideOT Incident Response Planning: Preparing for Cyber Events in Industrial Environments
A complete guide to building an OT incident response capability, covering team structure, playbook development, containment strategies that preserve safety, evidence collection, tabletop exercises, and recovery procedures for industrial environments.
Read GuideOT Vulnerability Management: A Complete Guide for Industrial Environments
A comprehensive guide to building and maintaining a vulnerability management program for operational technology environments, covering asset inventory, risk-based prioritization, compensating controls, and metrics for sustainable improvement.
Read GuideOT Security Architecture: Designing Defense-in-Depth for Industrial Environments
A comprehensive guide to designing defense-in-depth security architecture for operational technology environments, covering network segmentation, the Purdue model, remote access, asset management, monitoring, patch management, and incident response.
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