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🔍 '''Vulnerability management''' is the continuous process of identifying, evaluating, prioritizing, and remediating security weaknesses in an organization's technology environment. In insurance, this discipline carries particular weight because [[Definition:Insurance carrier | carriers]], [[Definition:Broker | brokers]], [[Definition:Third-party administrator (TPA) | TPAs]], and [[Definition:Insurtech | insurtechs]] maintain vast repositories of sensitive [[Definition:Policyholder | policyholder]] data and financial information — making them attractive targets for cyberattacks. Beyond protecting their own operations, insurers writing [[Definition:Cyber insurance | cyber insurance]] evaluate applicants' vulnerability management practices as a core component of [[Definition:Underwriting | underwriting]], treating the maturity of these programs as a direct indicator of [[Definition:Cyber risk | cyber risk]] exposure.

⚙️ A mature vulnerability management program follows a cyclical workflow: scanning networks, endpoints, and applications for known vulnerabilities; scoring each finding by severity using frameworks such as the Common Vulnerability Scoring System (CVSS); cross-referencing results against threat intelligence feeds to assess exploitability; and then coordinating [[Definition:Remediation | remediation]] through patching, configuration changes, or compensating controls. For organizations seeking or renewing cyber insurance, underwriters increasingly require evidence that this cycle operates on a defined cadence — often expecting critical vulnerabilities to be addressed within specific timeframes. Some [[Definition:Managing general agent (MGA) | MGAs]] specializing in cyber lines now integrate automated vulnerability scanning data directly into their [[Definition:Risk assessment | risk assessment]] platforms, pulling external scan results for applicant domains as part of the [[Definition:Submission | submission]] review before a [[Definition:Quote | quote]] is issued.

💡 Weak vulnerability management has been a contributing factor in some of the most significant [[Definition:Claims | claims]] in the cyber insurance market. The exploitation of unpatched systems — whether through ransomware campaigns targeting known flaws or supply chain attacks leveraging outdated software dependencies — has driven [[Definition:Loss ratio (L/R) | loss ratios]] higher and prompted underwriters to tighten coverage terms. Regulators across jurisdictions have taken notice as well: the NYDFS cybersecurity framework, the EU's DORA, and guidelines from the Monetary Authority of Singapore all expect regulated financial institutions, including insurers, to maintain systematic vulnerability management. For the insurance industry, the concept thus sits at a unique crossroads — it is simultaneously an internal operational imperative, a regulatory obligation, and a pivotal underwriting variable that shapes the profitability of one of the fastest-growing commercial lines.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Cyber insurance]]
* [[Definition:Cyber risk]]
* [[Definition:Incident response plan]]
* [[Definition:Penetration testing]]
* [[Definition:Risk assessment]]
* [[Definition:Loss control]]
{{Div col end}}

Definition:Vulnerability management - Revision history

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