
In simple terms, web testing means checking a web application for problems before it goes live, or before new code reaches production. It covers how the site functions, how accessible it is, how it handles traffic and, critically, how secure it is.
More web applications are being built than ever, and every new line of code is a chance for a bug. For most businesses the website is central: it holds or gives access to important data about the organisation and its customers. That makes security testing essential.
The goal of security testing is to find the weaknesses in a system before someone else does, so the system keeps working and cannot be exploited. It identifies the security risks in the application and gives developers the information they need to validate and fix them.
No. Functional tests check that features work; security tests check that they cannot be abused.
Many standards, including PCI DSS and ISO 27001, expect vulnerabilities to be identified and managed.
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