How vulnerability management works
The cycle starts with asset discovery, then scheduled scanning to find missing patches and misconfigurations. Findings are assessed using severity scores such as CVSS, exploit availability and the importance of the affected asset.
Teams assign fixes through patching or compensating controls, then rescan to confirm resolution. Reporting tracks metrics such as time to remediate, so management can see whether exposure is shrinking. Not every flaw is equal, and a critical rating on a system that is isolated may matter less than a medium rating on an exposed server holding sensitive data.
Why it matters for Canadian organizations
Attackers routinely exploit known vulnerabilities for which patches already exist. Organizations that cannot find and fix them quickly stay exposed long after fixes are available.
Under PIPEDA, safeguards must match the sensitivity of the data, and OSFI B-13 expects federally regulated institutions to manage technology vulnerabilities. Cyber insurers and customers also increasingly ask for evidence of regular scanning and timely patching. A mature program reports risk in business terms, such as exposure of critical systems and overdue fixes, so executives can decide where to invest staff time and downtime windows.
How to implement it
Maintain an accurate asset inventory, because you cannot scan what you do not know about. Scan internal, external and cloud assets on a regular schedule, using authenticated scans for deeper results.
Set remediation timelines by risk, prioritize vulnerabilities known to be actively exploited, and assign clear owners. Track exceptions formally and validate critical fixes with retesting or penetration testing. Automate where possible, for example by integrating scanner results with ticketing and patch tools, so findings reach the people who can fix them without manual copying.
Frequently asked questions
What are the steps in vulnerability management?
The main steps are discovering assets, scanning for vulnerabilities, assessing and prioritizing risk, remediating through patches or mitigations, verifying the fix, and reporting. The process repeats continuously rather than ending after one cycle. It is a cycle that never really ends.
Is vulnerability management the same as vulnerability assessment?
No. A vulnerability assessment is a point-in-time evaluation that identifies weaknesses. Vulnerability management is the ongoing program that includes assessments plus prioritization, remediation, verification and reporting. The two are related, but an assessment is a single event while management is a continuing program with owners, deadlines and verification.
How often should vulnerability scans run?
Many organizations scan internal systems at least monthly and internet-facing systems more often, ideally weekly or continuously. Scans should also run after major changes. Compliance frameworks and risk level can require specific frequencies. Frequency should reflect asset exposure and how fast you can remediate.
Related service: Vulnerability management