Vulnerability assessment: broad discovery
A vulnerability assessment is designed to identify, classify and prioritize weaknesses across an agreed environment. It can provide broad visibility into missing patches, insecure configurations, exposed services and other technical risks.
Penetration testing: controlled validation
Penetration testing goes further by attempting to safely validate whether selected weaknesses can be exploited. The objective is not simply to find more issues, but to understand realistic attack paths and impact.
Which one should you choose?
The answer depends on the objective. Organizations seeking broad visibility may begin with a vulnerability assessment. Organizations that need exploitation evidence, attack-path validation or assurance around a particular application or environment may require penetration testing.
Using both together
The two approaches are complementary. Vulnerability assessment can help identify where risk exists, while penetration testing can provide deeper validation of selected areas.