Vulnerability Management
The continuous cycle of finding, assessing, prioritizing, and remediating weaknesses before attackers exploit them.
A Continuous Cycle, Not a One-Time Scan
New vulnerabilities are disclosed constantly, and a system that was secure yesterday may be exposed today. Vulnerability management is the ongoing process of discovering weaknesses in your systems, assessing their severity, prioritizing what to fix first, remediating, and verifying the fix, then repeating. It turns the flood of disclosures into a manageable, risk-driven workflow.
The Process
- Discover: scan and inventory assets and their software (an SBOM helps)
- Assess: match known vulnerabilities to what you actually run
- Prioritize: rank by severity, exploitability, and exposure
- Remediate: patch, reconfigure, or apply compensating controls
- Verify: confirm the fix and re-scan
Prioritization Is Everything
No organization can fix everything at once, so prioritization decides where limited effort goes. Severity scores such as CVSS give a baseline, but true priority also weighs whether a flaw is being actively exploited in the wild and whether it is actually reachable in your environment. An exposed, exploited, internet-facing flaw outranks a theoretically severe one buried in an isolated system.
When You Cannot Patch
On critical and legacy systems, patching may be delayed or impossible. Vulnerability management then reaches for compensating controls, tighter segmentation, restricted access, closer monitoring, to reduce exposure until a fix is feasible.
Fusion Context
For a fusion program, vulnerability management rests on an accurate inventory of control and simulation software, so that when a flaw is disclosed the team can immediately identify affected systems. In the Hyperion breeder and burner designs, remediation follows the careful OT patch process, and where a device cannot be patched during operation, segmentation and monitoring compensate while the independent safety instrumentation continues to protect the machine.