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Vulnerability management

Manage vulnerabilities as an operating program

A vulnerability management program makes discovery, prioritization, remediation and verification a repeatable process with accountable owners. Define its scope, decision rights and completion criteria.

Laptop, monitor, network equipment and an open notebook on a workbench

Key takeaway

Start with an inventory and a named owner. Link each finding to an action or approved exception, then verify and record the outcome.

What belongs in scope

A weakness may be a code flaw such as a buffer overflow or injection, a hardware design issue, an unnecessary or improperly exposed service, a default password or an approval-process gap. Unsupported versions create maintenance risk; a version’s age alone does not establish exploitability. Include workstations, servers, network devices, cloud resources, applications and third-party components in the inventory. Scanning does not fully assess training, approvals or human risk; review reporting channels and access policy separately.

What a program should improve

A program should shorten unresolved exposure, clarify responsibility and identify recurring problems. Keep findings, decisions, changes and verification evidence in a work log, linking records to controls for applicable requirements. Those requirements depend on the organization’s activities. Balance sensitive-data exposure with service availability when planning changes, and assess improvement through actual outcomes.

Build the operating process

Agree scope, decision owners and delivery arrangements before work starts. This establishes the foundation for subsequent assessment and remediation cycles.

  1. Define the scope

    Record assets, services, dependencies and the program’s business objective.

  2. Assign owners

    Identify the owners of technical delivery and business risk decisions.

  3. Arrange assessment

    Agree authorized scope and safe timing; validate findings and actual exposure.

  4. Agree delivery

    Assign an owner, due date and post-change verification to the approved change or mitigation.

People, automation and improvement

Automating scans, notices, patch deployment and reports can reduce delays, but review tool coverage, credentials and results. Security, IT operations, application owners and business risk owners should agree on finding ownership and change impact. Teach staff how to report suspicious messages, and train technical teams on safe scanning and recovery checks. Review remediation delays, reopened findings, post-fix verification and exception age, then refine the program. Recurring weaknesses can point to earlier process changes: secure development checks for new code, supported-version requirements in procurement and baseline configuration review. After an incident, exercise recovery so backups and role assignments work in practice. Keep change approval authority explicit.