OT Vulnerability Assessment Overview

OT VULNERABILITY ASSESSMENT

Understand the strengths and weaknesses of your OT security posture across people, processes and technology.

CNB offers a thorough vulnerability assessment service designed to precisely identify cybersecurity vulnerabilities within your Operational Technology (OT) environment. Our OT Security Vulnerability Assessment service includes:

  • Evaluation of Current Controls: Identifying and assessing existing (as-is) controls.
  • Gap and Vulnerability Analysis: Identifying and evaluating gaps and vulnerabilities within your OT environment.
  • Mitigating Controls Assessment: Identifying and evaluating additional mitigating controls to address vulnerabilities.
  • Risk Rating and Prioritization: Assigning risk ratings, prioritizing vulnerabilities, and providing remedial recommendations.
  • Formal Assessment Report: Delivering a detailed, formalized assessment report.

Our assessments are “outcome-focused,” meaning that any remedial recommendations we propose aim to provide tangible risk reduction. This approach equips organizations with the information needed to justify OT cybersecurity improvements and associated costs by clearly understanding the “What, Why, and How.”

Our assessments follow industry best practices and standards/frameworks such as ISO/IEC 62443, ISO/IEC 27001, NIST, and ISF, but can also be tailored to meet your specific needs.

Why Conduct an OT Security Vulnerability Assessment?

An OT Security Vulnerability Assessment provides a structured snapshot of your OT environment’s current (“as-is”) cybersecurity posture. This snapshot includes a risk-based analysis detailing the strengths and weaknesses of your OT security across people, processes, and technology. Additionally, it provides prioritized tactical and strategic recommendations aimed at reducing identified risk exposure. Our assessment methodology and data-gathering process leverage extensive experience, threat intelligence, OT cybersecurity industry best practices, and automated tools.

Why is an "OT"-Specific Vulnerability Assessment Necessary?

Traditional IT security models prioritize Confidentiality, Integrity, and Availability (the “CIA Triad”), while OT cybersecurity models prioritize Availability, Integrity, and Confidentiality (the “AIC Triad”).

This difference is crucial because OT environments (e.g., manufacturing plants, oil assets) rely heavily on system availability and integrity for process control and safety. Loss of availability or integrity can jeopardize workforce safety, consumer safety, physical assets, and the environment. Such disruptions can lead to significant economic, ecological, and life-threatening consequences. Examples of such attacks include the 2021 Colonial Pipeline attack, the 2019 Springhill Memorial Hospital ransomware attack, and the 2015 Sandworm attacks on Ukrainian critical infrastructure.

Given these differences, an OT-specific vulnerability assessment is necessary to accurately assess risks and propose appropriate countermeasures.

Key Benefits of Conducting an OT Security Vulnerability Assessment

  • Comprehensive Understanding: Establishes a baseline of your current OT security posture and risk exposure.
  • Risk Reduction: Identifies improvements to reduce the attack surface and risk in the short, mid, and long term.
  • Gap Identification: Highlights gaps in people, processes, and technology, helping prioritize high-risk areas for remediation or improvement.
  • Informed Decision-Making: Provides supporting information for making informed cybersecurity investment decisions.
  • Non-Intrusive Methods: Utilizes non-intrusive assessment methods.
  • Swift Execution: Ensures a quick and efficient assessment process.

Deliverables from Our OT Security Vulnerability Assessment

As part of this service, CNB delivers a formal report that includes:

  • Assessment Methodology: An outline of the methodology used.
  • Executive Summary: A high-level overview of the findings.
  • Current Situation and Risk Exposure: A detailed description of the current security posture and associated risks.
  • Assessment Findings and Observations: Comprehensive findings and observations from the assessment.
  • Remediation Recommendations: Actionable recommendations with associated priorities.

Additionally, we provide:

  • High-Level Presentation: A presentation for executive-level stakeholders summarizing key findings and recommendations.
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