Implementation Checklist

A comprehensive checklist to guide implementation of ISO 27019 controls in energy sector OT environments.

Checklist Purpose

This checklist helps ensure complete and systematic implementation of energy sector security controls.

Implementation Checklist Sections

1. Foundation

• Asset inventory completed
• Risk assessment conducted
• OT security policy developed and approved
• Roles and responsibilities assigned
• Budget and resources allocated

2. Access Control

• Role-based access model designed
• Multi-factor authentication deployed
• Privileged access management implemented
• Vendor access procedures established
• Access logging and monitoring active

3. Network Security

• Network segmentation implemented per Purdue model
• Firewalls deployed and configured
• DMZ established for IT/OT boundary
• Unidirectional gateways where appropriate
• Remote access secured with VPN and MFA

4. Malware Protection

• Application whitelisting deployed
• Antivirus configured for OT constraints
• Removable media controls implemented
• Network monitoring for malware detection

5. Patch Management

• Vulnerability tracking process
• Risk-based patching procedures
• Compensating controls documented
• Testing procedures established
• Change control integrated

6. Incident Response

• OT incident response plan developed
• Team trained on OT procedures
• Communication templates prepared
• Regulatory reporting procedures
• Regular exercises conducted

7. Safety Integration

• Coordination with safety team
• SIS security requirements defined
• Cyber-physical scenarios analyzed
• Safety-security procedures integrated

8. Compliance

• Regulatory requirements mapped
• Evidence collection automated
• Audit preparation procedures
• Continuous monitoring established

9. Training and Awareness

• OT security awareness program
• Role-specific training delivered
• Vendor security requirements communicated
• Regular refresher training scheduled

10. Continuous Improvement

• Metrics defined and tracked
• Regular reviews scheduled
• Threat intelligence integrated
• Lessons learned documented

Using This Checklist

• Customize to your organization'''s needs
• Track progress and completion status
• Document evidence for each item
• Update as requirements evolve
• Use for audit preparation

Next Module: Compliance and Integration with other standards.