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CYBERSECURITY – 04

Risk & Vulnerability Management

A scan is a snapshot. A vulnerability management program is what happens every day after it, with identification, prioritization by consequence, and remediation tracked to closure.

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OPERATIONAL CONTEXT

The scan report isn't the program. What happens after it is.

A one-time assessment produces a list. Without a process behind it, that list ages. New vulnerabilities are disclosed, systems change, and the original findings either get fixed piecemeal, get forgotten, or sit in a spreadsheet nobody owns. That's true in any environment, and it's a more expensive failure in one where a vulnerability can sit for years on a control system that only comes offline during a scheduled outage.

GSS builds vulnerability management as a standing program rather than a deliverable, with a defined cadence for identifying new vulnerabilities across IT and OT, a consistent method for prioritizing them by consequence rather than by severity score alone, and a remediation-tracking process that closes the loop instead of leaving a finding open indefinitely.

Prioritization is where most vulnerability programs go wrong when applied to OT. A critical-severity vulnerability on an isolated engineering workstation and a moderate-severity one on a system tied to a protected function are not equally urgent, whatever the score says. The program is built to reflect that.

METHODOLOGY
  1. 01

    Asset & Exposure Inventory

    IT and OT assets catalogued with their network and physical exposure, kept current as systems change.

  2. 02

    Identification

    Vulnerabilities identified through scanning, advisories, and targeted assessment appropriate to each system's tolerance.

  3. 03

    Consequence-Based Prioritization

    Findings ranked by what a successful exploit would actually affect, not by severity score alone.

  4. 04

    Remediation Planning

    Fixes, compensating controls, or accepted-risk decisions assigned owners and timelines.

  5. 05

    Tracking to Closure

    Status tracked until verified closed, not until reported once and set aside.

  6. 06

    Program Review

    Cadence and prioritization criteria reassessed as the threat landscape and system inventory evolve.

CORE CAPABILITIES
IT/OT asset and exposure inventoryVulnerability identification and scanningConsequence-based prioritizationRemediation tracking to closureCompensating-control designProgram governance and reporting
RELEVANT ENVIRONMENTS
Operating nuclear facilitiesSmall modular reactorsNew nuclear buildOther high-consequence critical infrastructure
FAQ
How often are systems reassessed once the program is running?On a defined cadence set during program design, matched to each system's operational constraints, continuous where feasible and tied to outage windows where it isn't.
What happens to a vulnerability that can't be patched, like an unsupported OT component?It's documented, and a compensating control or risk-acceptance decision is assigned an owner rather than left as an open, untracked item.
Does this integrate with an existing ticketing or GRC platform?Yes. The tracking process is built to fit the client's existing tools where they exist, rather than requiring a new system.

Turn a vulnerability list into a program that closes findings

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