Nederlands
OT-Security Pentest for Industrial Environments
Industrial production environments are increasingly interconnected with corporate IT networks, remote access solutions, and cloud services. While this improves efficiency and manageability, it also introduces new attack paths toward PLC environments, SCADA systems, and critical industrial processes.
DongIT performs controlled OT-Security pentests to identify realistic exposure paths within industrial control systems, without disrupting operations. Our assessments provide clear technical insight into segmentation weaknesses, insecure remote access configurations, and vulnerable control components, while explicitly safeguarding availability and process stability. Our team has practical experience securing manufacturing, utilities, and critical infrastructure environments, where system stability and safety requirements are central to every engagement.
If you need independent validation of your OT security posture, we can define a scoped and controlled assessment within short notice.
What is an OT-Security Pentest?
An OT-Security pentest is a structured technical assessment of Operational Technology environments, including PLCs, SCADA systems, HMIs, engineering workstations, and industrial network infrastructure.
The objective is to determine whether unauthorized access, lateral movement from IT to OT, privilege escalation, or manipulation of industrial processes is realistically achievable within your architecture.
We assess segmentation boundaries, authentication mechanisms, remote access solutions, exposed services, insecure industrial protocols, and outdated firmware components. Testing techniques are selected based on operational sensitivity and are always coordinated with responsible engineers to ensure system stability.
You receive validated exposure findings, not theoretical assumptions.
Why perform an OT-Security pentest?
An OT-Security pentest is technically relevant when your organization:
- Operates industrial production systems where disruption impacts safety or continuity.
- Has interconnected IT and OT domains.
- Uses VPN, jump hosts or vendor remote access into control networks.
- Relies on legacy industrial protocols.
- Prepares for NIS2 obligations or aligns with IEC 62443 principles.
- Requires independent validation of network segmentation and access control effectiveness.
Proactive technical validation reduces the risk of undetected architectural weaknesses before they lead to operational incidents.
Our approach to OT-Security pentesting
DongIT executes OT-Security pentests using a structured, risk-aware methodology specifically adapted to industrial control environments. The scope and depth are aligned with your operational constraints and risk tolerance. Our approach reflects established industrial architecture models such as the Purdue Enterprise Reference Architecture, enabling targeted validation of segmentation boundaries between corporate IT, Level 3, and control-level systems.
Scope Definition & OT Asset Identification
We define precise testing boundaries and identify critical OT assets, network zones, conduits, and trust relationships between IT and OT domains.
OT Architecture & Configuration Analysis
We analyze segmentation design, firewall configurations, routing policies, trust relationships, remote access pathways and integration points that could enable pivoting toward production systems.
OT Vulnerability Assessment
We identify exposed services, insecure protocol configurations, authentication weaknesses, outdated firmware, and misconfigurations in control components. Passive techniques are applied where required; controlled validation is performed only with prior alignment and approval.
OT Security Validation
We validate authentication enforcement, role separation, logging visibility, monitoring capabilities and segmentation effectiveness within the OT environment.
Risk Analysis & Reporting
Each finding is assessed for realistic likelihood and operational impact, with a focus on production continuity, safety implications, and potential lateral movement scenarios.
Aftercare & Security Guidance
You receive prioritized remediation guidance and, if required, follow-up re-testing to confirm that vulnerabilities are effectively resolved.
Tailored to your OT environment
Every industrial network has its own segmentation model, operational constraints, and risk tolerance.
Testing can be executed in controlled production environments, acceptance environments, or dedicated test setups. Grey-box and white-box configurations are available when deeper validation is required.
If IT and OT networks are interconnected, we can extend the scope to validate pivoting paths between domains and identify cross-boundary exposure risks.
You define the boundaries, we validate the exposure.
Reporting and next steps
After completion of the OT-Security pentest, you receive a structured technical report including:
- Clearly documented vulnerabilities and affected components.
- Validated exposure paths and segmentation findings.
- Assessment of operational impact and likelihood.
- Practical remediation guidance with prioritization.
The report supports engineering remediation and can include a concise management summary if required.
If you need fast clarity on your OT exposure level, we can initiate a technical intake within short notice and define scope, timeline, and testing boundaries immediately.
Request an OT Security Quote or schedule a technical intake to discuss your environment.