Risk-Informed Cyber-Physical Security Services

Converges Engineering Rigor, Regulatory Scrutiny, and Cyber-Physical Risk Reduction

CDA INSPECTION CDA EVIDENCE CDA Inspection Inspection focus: CDA scope, ownership, and protection boundaries are defined and evidenced. Look for: authoritative inventories, CDA rationale, protection mapping, and retained artifacts. Click to further explore this topic ARCHITECTURE INSPECTION BOUNDARY EVIDENCE Architecture Inspection Inspection focus: enforced trust boundaries and validated information flows across enclaves. Look for: boundary diagrams, enforcement points, data-diode/controls rationale, verification results. Click to further explore this topic VA INSPECTION VA EVIDENCE VA Inspection Inspection focus: methods used to assess vulnerabilities without impacting safety operations. Look for: offline VA methodology, source evidence, prioritization logic, and repeatable procedures. Click to further explore this topic CONFIG INSPECTION CONFIG EVIDENCE Config Inspection Inspection focus: baseline integrity, drift detection, and proof of controlled configurations. Look for: golden configs, drift reports, exception handling, and evidence retention over time. Click to further explore this topic CHANGE INSPECTION CHANGE EVIDENCE Change Inspection Inspection focus: change reviews, approvals, and testing evidence for security-relevant modifications. Look for: engineering reviews, impact analysis, approvals, test results, and closure artifacts. Click to further explore this topic CAP INSPECTION CAP EVIDENCE CAP Inspection Inspection focus: findings disposition, remediation tracking, verification, and closure defensibility. Look for: issue tracking, action evidence links, verification steps, and management sign-off. Click to further explore this topic Risk Quantification Services Fault-Tree & FMEA Risk Quantification Transform operational exposure into prioritized risk using engineering-grade modeling. Overlay attack paths, failure modes, and evidence links to support defensible decisions. Inspection focus: risk-informed prioritization is defensible, repeatable, and evidence-linked. Click to further explore this topic WN CDA LIFECYCLE MANAGEMENT CDA Lifecycle Management Define and govern Critical Digital Assets (CDAs) across safety, security, and support domains. Maintain authoritative inventories, ownership, and evidence for inspection-ready traceability. Click to further explore this topic WN DEFENSIVE ARCHITECTURE Defensive Architecture Model trust boundaries, enclave flows, and boundary enforcement to reduce attack paths. Align cyber + physical security controls to plant operations and enterprise interfaces. Click to further explore this topic WN OFFLINE VULNERABILITY ASSESSMENT Offline Vulnerability Assessment Quantify exploitable exposure without scanning live safety networks. Use evidence-based VA methods for resilient operations and inspection defensibility. Click to further explore this topic WN CONFIGURATION MANAGEMENT Configuration Management Detect drift, reconcile baselines, and preserve secure configurations across digital environments. Tie configuration evidence directly to CDA scope and vulnerability posture. Click to further explore this topic WN CHANGE MANAGEMENT Change Management Control and evidence changes impacting CDAs, security boundaries, and safety-related functions. Reduce operational risk by enforcing review gates and complete audit artifacts. Click to further explore this topic WN CORRECTIVE ACTION PROGRAM (CAP) Corrective Action Program (CAP) Close the loop: convert findings into tracked actions, verification, and closure evidence. Keep risk decisions and remediation outcomes synchronized with inspection expectations. Click to further explore this topic Inspection-Defensible Security Across the Cyber-Physical Lifecycle Interactive — Hover to Explore WizNucleus Integrated Service Capabilities Use the Inspection or Engineering Mode Selector Buttons for Context-Informed Guidance and Use Cases INSPECTION ENGINEERING

Cyber-Physical Risk Quantification for Critical Infrastructure

From Security Metrics to Engineering Risk Decisions

Traditional Cyber Risk Metrics are not Sufficient for Engineering-grade Decision-Making in Critical Infrastructure Environments and Operations

Security scoring systems rank vulnerabilities. Engineering leaders must manage failure probability, consequence, and system resilience.

Engineering-grade Fault-tree and Attack-path Analytics Translate Cyber Exposure into Operational and Regulatory Risk Reduction— Continuously.

WizNucleus applies engineering failure modeling, attack-path analytics, and continuous exposure discovery to quantify, prioritize, and reduce cyber-physical risk across complex infrastructure environments.

Traditional Security

Foundational controls that establish baseline security posture

Essential starting point for cyber security programs in regulated environments

Baseline measures support—but do not fully characterize—operational risk

Deterministic control-focused approaches that precede risk-informed decision-making

Engineering Risk

Translate system behavior into inspection-defensible operational risk mitigation

Connect engineering failure modes to auditable cyber-physical exposures

Model degradation pathways so security decisions withstand inspection.

A compact icon showing fault-tree structure feeding an attack-path arrow into a quantified risk node. Top event Gate Event Event RISK

Risk Quantification

Explore WizNucleus Cybersecurity and Risk Quantification Services

Integrated Cyber-Resiliency & Risk Management Services

Engineering-Driven Lifecycle Services - From Assessment to Inspection

Critical Digital Asset governance, vulnerability assessment, defensive architecture, change management, and corrective action are integrated into a single, risk-driven lifecycle. At the center, fault-tree and FMEA-based analysis transforms technical findings into quantified risk and defensible inspection outcomes aligned with NRC and NEI expectations.

Fault-Tree–Informed Cybersecurity Lifecycle Management

WizNucleus applies fault-tree and FMEA-informed risk modeling to connect cybersecurity assessments, operational controls, and compliance evidence—enabling leadership to prioritize investments, demonstrate defensibility, and withstand regulatory scrutiny.

FTA and engineering FMEA techniques correlate asset criticality, threat pathways, and control effectiveness—producing measurable risk outputs that drive configuration, change, and corrective action decisions.

Risk Modeling & Prioritization Services

  • Vulnerability prioritization with engineered metrics (FTA + FMEA)

  • Critical Digital Asset (CDA) lifecycle definition & governance

  • Evidence generation aligned to inspection subsections and compliance requirements

Value statement: Helps utilities move beyond checklists to quantified decision support.

Operational Readiness & Maintenance

  • Managed detection & response

  • Resilience planning and backup/recovery engineering

  • Policy/procedure development + validation

Security Architecture & Deployment

  • SIEM/XDR/IDS/IPS integration with threat context fusion

  • Secure configuration, segmentation, and boundary defense

  • Physical + cyber security harmonization

Value statement: Engineering validated hardening that feeds into risk models.

Inspection Readiness & Compliance Engineering

  • Audit playbooks mapped to NEI 08-09 / IP 71130.10

  • SME support for inspectors and regulator engagement

  • Evidence and documentation traceability

Value statement: Anticipate audit queries, reduce time in inspection windows.

Integrated Product-Service Continuum

Progressive Risk Reduction Across the Cyber-Physical Lifecycle Exposure Uncertainty FTA / FMEA Quantification Risk-Informed Prioritization Corrective Action & Control Inspection-Ready Defensible State
Services <--> Platform Synergy Product Service Outcome Cyberwiz-Pro Quantified VA analysis Prioritized roadmap Click to further explore the capabilities and features of CyberWiz-Pro TrakER Compliance tracking Audit defensibility Click to further explore the capabilities and features of TrakER, NERC CIP Change Mgmt Engineering review Reduced operational risk Click to further explore the capabilities and features of NERC CIP Change Management,

Key Service Drivers

Critical Infrastructure sectors evolve and emerge as complex adaptive systems

Complex and malleable networks with both strengths and weaknesses

    • With complexity comes increased vulnerability and risks to business and operations

    • Byproducts of technical, economic, social, and regulatory policies of the United States

Exhibit characteristics of self-organized criticality

Explore CI Interdependency Map Opens an interactive slide-out visualization

Key Service Approaches

  • Models and Simulates operational characteristics of target Critical Infrastructure sector

  • Prioritizes and categorizes infrastructure systems and components and their inherent risks

  • Applies principles of network science and engineering reliability fault-tree analysis to total system risk assessment

  • Determines how best to allocate finite cyber-security remediation to maximize protection and reliability objectives

  • Establishes and maintains framework and workflow process for continuous monitoring of risks and responses to new threats

Key Service Outcomes

  • Builds the framework for increased situational understanding of complex adaptive systems

  • Quantitatively evaluates aggregate vulnerabilities and risks to critical infrastructure sectors

  • Capture operational characteristics of self-organized criticality

    • Complex systems evolve from “normal” to “critical”

    • Critical systems evolve toward instability

Critical Infrastructure Risk and Resiliency Services Lifecycle

Start ofassessment Identify Operation Centers,Systems & Sub-systems,Cyber-Networks and Infrastructures IT/OT and ICTModel Data Power SystemModel Data Build topology ofoperations zones/conduitsand network access points Decompose Systeminto Centers ofOperation Group/Rank systemssub-systems, andcritical digital assets Select Target Targetprovides criticalcontrol function(s)? Identify/Cataloguenetworked digitalsystems YesNo Identify programableset-points via SCADA-HEs,HMIs, and Process Automation Conduct system/sub-system FMEAs and sensitivity analyses Targetexerts significantoperations impact? Determine vulnerability ratings of systems/sub-systems and CDAs Identify/Catalog adversary attack objectivesIdentify known/researched ICS/SCADA/PCN threat-vectors and vulnerabilitiesIdentify/Catalogue ICS/SCADA/PCN cyber-intrusionincidentsConduct passive network and systemscanning/auditing of systems and digital assetsIdentify applicable security controlsto fortify resistance to cyber-threats and attacksYesNo Exercise cyber-net attack-tree modelto determine vulnerability improvements Scenariovulnerabilityabove threshold? Systemvulnerabilitybelow threshold? No Re-configure/re-runcyber-net model toimprove resistanceto threats No End ofassessment YesYes Tip: Use the same tooltip-follow JS used for the concentric model. All hotspots carry data-tt-title, data-tt-body, and data-tt-link attributes.

From Architecture to Action: Inspection-Defensible Cyber Risk

Enables critical infrastructure stakeholders to move beyond compliance-driven security toward quantified, inspection-defensible cyber-Physical risk governance and Reduction 

At the core of our platform and services engagement model is an engineering-grade Fault-Tree and FMEA risk model that translates infrastructure complexity into measurable exposure. This model integrates:

  • Infrastructure topology

  • Known threat vectors

  • Observed vulnerabilities

  • Configuration and change state

  • Corrective action effectiveness

By combining network science, reliability engineering, and cybersecurity domain knowledge, WizNucleus identifies how individual weaknesses combine to create systemic risk. This approach supports:

  • Risk-based inspection readiness

  • Transparent prioritization decisions

  • Defensible corrective action closure

  • Continuous adaptation as systems evolve

Every insight produced is traceable to evidence, aligned to inspection expectations, and repeatable over time.

Integrated Data Transformation Process

Adaptive Data Transformation -> Fusion Continuum Hover each phase for how WizNucleus operationalizes data transformation for continuous CI cyber risk assessment. IDENTIFY Data sources + scope CLEANSE Quality + validity FUSE Multi-source integration EXTRACT Attributes + context CLASSIFY Tags + traceability DISPATCH Routing + orchestration STORE Objects + evidence
Integrated Data Transformation/Fusion Service Lifecycle Attribute fusion → simulations/test‑beds/penetration → risk results → decision support Decision‑making Attribute Dispatcher Low-level Data Fusion Data Analysis Attribute Extraction High-level Attribute Fusion Attribute Interpretation & Classification Simulations • Discrete‑event • Continuous • Hybrid Test‑beds • Emulators • System‑in‑the‑loop Penetration • Scanning • Fuzzing • Exploits Results Dispatcher Mixed Level Data & AttributeFusion and Analysis Use Cases / Scenarios Data Sources Operational Performance Economic Sensitivities Threats & Vulnerabilities Policies

Data Transformation -> Fusion Continuum – the Foundation of Continuous Critical Infrastructure Cyber Risk Management

At WizNucleus, data transformation is not a backend activity—it is the control plane that enables inspection-defensible, repeatable cyber risk assessment across critical infrastructure environments.

Our CI-ModSim services transform raw operational, security, and policy data into authoritative, analytics-ready information that supports fault-tree modeling, simulation, and decision-grade risk prioritization.

What the Data Transformation Framework Delivers

Authoritative Inputs
WizNucleus establishes trusted data sources, scope boundaries, and ownership for critical digital assets (CDAs), network models, controls, vulnerabilities, and policies—ensuring traceability from raw input to inspection evidence.

Quality and Validity Assurance
Data is normalized, validated, and cleansed to preserve analytic integrity and prevent downstream distortion of risk models, simulations, and inspection conclusions.

Multi-Source Data Fusion
Operational performance, economic sensitivity, threat intelligence, vulnerability research, and policy constraints are fused into unified cyber-physical models that expose dependency chains and cascading risk.

Attribute Extraction and Interpretation
From fused data, WizNucleus derives the attributes that matter for inspection and decision-making—exposure pathways, trust boundaries, CDA classifications, control coverage, and evidence linkages.

Consistent Classification and Tagging
Processed information is classified using consistent taxonomies aligned to regulatory, inspection, and architectural expectations, enabling coherent FTA/FMEA modeling and defensible reporting.

Decision-Aware Dispatch
Refined data and attributes are dynamically routed to simulators, emulators, test beds, and analytic engines—supporting repeatable scenarios, evidence capture, and model validation.

Secure Persistence and Retrieval
Refined data objects are stored and retrievable by analytics platforms (digital twins, predictive analytics, correlation engines), preserving auditability, evidence retention, and inspection readiness over time.