Vulnerability testing

​Vulnerability testing or vulnerability scanning is a process of uncovering security related issues with software and configuration.

Security scanning needs to be done on periodic basis since new issues are added to a security scanner often.

Vulnerability scanning can be either internal or external. Internal scanning will uncover issues that exist in internal network, external scanning will uncover issues that are publicly available.

Internal vulnerability scanning will usually report more issues than external scan, since firewall would block access to network ports that are accessible from inside.

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