Vulnerability Blast Radius: How to Measure and Reduce Impact

Vulnerability blast radius is the scope of systems, data, users, and code that could be affected if a vulnerability is exploited. The article explains that measuring reachability across application code, dependencies, containers, and infrastructure provides a more contextual view of risk than CVSS alone. Key factors that increase blast radius include widely shared dependencies, deep transitive dependencies, privileged access, exposed credentials, and flat network architectures. To reduce impact, organizations can prioritize reachable vulnerabilities, apply targeted security patches, segment networks, remove unused dependencies, and enforce least privilege. The article also recommends translating technical exposure into business impact, such as affected applications, users, data, and regulatory exposure. 

https://www.endorlabs.com/learn/vulnerability-blast-radius-how-to-measure-and-reduce-impact

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