Regulatory Playbook
IEC 62443-Based Risk Assessment Checklist for Airport Operations and Critical Infrastructure
The Evolving Cyber Threat Landscape in Airport Critical Infrastructure
Airports today operate some of the most complex cyber-physical environments in the world. From airfield lighting and baggage handling systems to fuel management, building automation, and security infrastructure, these systems rely heavily on Operational Technology (OT) and Industrial Control Systems (ICS) to ensure safe and continuous operations.
While these systems were originally designed for reliability and operational efficiency, they were not built with modern cyber threats in mind. As airports increasingly integrate digital systems, remote connectivity, and IT/OT convergence, the risk landscape has fundamentally changed. A cyber incident in an airport environment can disrupt flight operations, halt baggage movement, affect passenger safety systems, or compromise national infrastructure.
To help organisations address these challenges in a structured way, Shieldworkz has developed an IEC 62443-Based Risk Assessment Checklist specifically designed for airport OT environments and critical infrastructure operations. This checklist translates complex industrial cybersecurity standards into clear, actionable controls that security leaders, engineers, and operations teams can implement without disrupting critical systems.
Why this checklist matters
Cybersecurity within airport OT environments cannot rely on traditional IT security approaches. Industrial systems have different priorities - safety, reliability, and operational continuity. Controls must be implemented carefully to avoid operational disruption while still protecting critical infrastructure. The IEC 62443 series has become the global benchmark for securing Industrial Automation and Control Systems (IACS). However, translating these standards into practical actions across real airport infrastructure can be challenging.
The Shieldworkz IEC 62443 Risk Assessment Checklist bridges this gap by providing a structured assessment framework aligned with international standards while reflecting the realities of airport operations.
The checklist helps organisations evaluate security across critical OT domains such as:
Organisational governance and security management
OT asset visibility and risk management
Network segmentation using zones and conduits
Identity and access control for control systems
System hardening and secure configuration practices
Security of airport-specific OT systems
Third-party and supply chain cybersecurity
Continuous monitoring, auditing, and compliance tracking
By mapping these controls directly to IEC 62443 requirements, the checklist enables airports and critical infrastructure operators to build defensible cybersecurity programmes while demonstrating audit readiness.
Why It Is Important to Download This Checklist
Many organisations understand the importance of industrial cybersecurity but struggle with where to begin and how to measure progress. Without a structured framework, security initiatives often remain fragmented across IT and engineering teams, leaving critical systems exposed to risks such as ransomware, supply chain compromise, and unauthorized access.
This checklist provides a practical starting point for organisations looking to strengthen OT cybersecurity while aligning with internationally recognised standards.
By using this checklist, organisations can:
Identify cybersecurity gaps across airport operational technology environments
Evaluate network segmentation between corporate IT and critical OT systems
Assess access control, remote connectivity, and privileged access risks
Establish structured vulnerability and patch management processes
Review vendor and integrator security controls across the supply chain
Improve incident response readiness for OT cyber events
Build measurable cybersecurity KPIs aligned with operational performance
Prepare for regulatory, compliance, and audit assessments
Rather than treating cybersecurity as a purely technical challenge, the checklist encourages organisations to approach security as a governance, operational, and risk management discipline.
Key takeaways from the checklist
Security Governance Must Extend Across Operations: Effective industrial cybersecurity begins with governance. The checklist highlights the importance of establishing an OT security policy, defining clear ownership for control systems security, and integrating cybersecurity into operational risk management processes.
Visibility Across OT Assets Is the First Line of Defence: Organisations cannot protect what they cannot see. A comprehensive inventory of controllers, SCADA systems, network devices, and industrial endpoints is essential to understand exposure and manage risk effectively.
Network Segmentation Protects Critical Systems: One of the most effective protections in industrial environments is structured segmentation using zones and conduits. By isolating critical control systems from enterprise networks, organisations can significantly reduce the impact of cyber intrusions.
Access Control Must Be Strictly Enforced: Industrial environments frequently rely on vendor access, engineering workstations, and remote maintenance connections. The checklist outlines controls such as role-based access control, multi-factor authentication, and privileged access management to reduce unauthorized access risks.
Airport OT Systems Require Specialised Protection: Airport infrastructure includes unique cyber-physical systems such as airfield lighting control, baggage handling PLCs, building automation systems, fuel distribution networks, and security monitoring platforms. Each of these requires tailored security controls aligned with operational safety requirements.
Continuous Monitoring Strengthens Cyber Resilience: Security cannot be treated as a one-time assessment. The checklist introduces measurable OT cybersecurity KPIs, enabling organisations to track incident detection time, vulnerability remediation rates, network monitoring effectiveness, and overall security posture over time.
How Shieldworkz supports Your OT Security Journey
Implementing industrial cybersecurity standards requires deep expertise in both cybersecurity and operational environments. At Shieldworkz, we work closely with airport operators and critical infrastructure organisations to translate cybersecurity standards into operationally safe security programmes.
Our OT security specialists help organisations:
Conduct comprehensive OT cybersecurity risk assessments aligned with IEC 62443
Identify architectural gaps across airport OT environments
Design secure network segmentation strategies for industrial systems
Implement monitoring and threat detection tailored for OT protocols
Strengthen vendor access control and supply chain security
Develop incident response and cyber resilience strategies for operational environments
Build measurable cybersecurity KPIs for executive-level reporting
Our goal is not simply to help organisations meet compliance requirements, but to build sustainable security architectures that protect critical infrastructure without disrupting operations.
Download the Checklist and Strengthen Your Airport Cybersecurity Posture
As airports continue to modernise operations and integrate digital technologies, securing operational technology environments has become a strategic priority.
The IEC 62443-Based Risk Assessment Checklist for Airport Operations and Critical Infrastructure provides a practical framework to evaluate risks, prioritise remediation, and build long-term cyber resilience.
Fill out the form to download the checklist and schedule a free consultation with Shieldworkz OT cybersecurity experts. Learn how to assess your current security posture, close critical gaps, and protect your airport infrastructure against evolving cyber threats.
Download your copy today!
Get our free IEC 62443-Based Risk Assessment Checklist for Airport Operations and Critical Infrastructure and make sure you’re covering every critical control in your industrial network
