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OT Security & Zero Trust Architecture

A comprehensive framework to secure the manufacturing floor, reduce attack surfaces, and ensure operational continuity.

1

Phase 1: Assessment & Scoping

Objective: Understand the OT network and define strict Zero Trust policies.

Key Execution Steps

  • • OT Asset Inventory and Criticality Assessment
  • • Network Segmentation Audit (Purdue Model Check)
  • • Zero Trust Policy Definition
2

Phase 2: Microsegmentation & Enforcement

Objective: Implement Zero Trust architecture to reduce Attack Surface by 60%.

Key Execution Steps

  • • Microsegmentation Deployment
  • • Identity and Access Control (IAC) with MFA and RBAC
  • • Device Posture Check (Verify PLC/HMI status before connection)
  • • Automation Integration for Security Policy Deployment
3

Phase 3: Validation & Governance

Objective: Verify protection efficacy and establish sustainable Governance ready for Audit.

Key Execution Steps

  • • Penetration Testing (Lateral Movement Simulation)
  • • Audit Readiness Documentation and Security Control Mapping
  • • Continuous Monitoring & Log Analysis with SIEM

Secure by Design

By strictly adhering to Zero Trust principles, we not only secure the infrastructure but enable safer, faster digital transformation.