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What is security testing

Security testing is expert work where security professionals look for errors, weaknesses, and vulnerabilities in an application, system, or network that could compromise security.

Testing is often performed remotely over the internet without installing additional software in development or other environments. The necessary tools are run on the tester’s own workstation or in the provider’s secure environment.

All findings are verified to assess their technical and business impact. This removes false positives and helps in risk assessment and prioritization of fixes.

The result of testing is a report that describes the scope of work, the findings and the risks they pose, as well as recommended fixes. The results are reviewed with the client to ensure that the severity of the findings and the required corrective actions are clear to everyone.

Security testing can be carried out as a one-time project or as a continuous service. After a project delivery, a re-test may be needed if many issues are found or if some of them are high risk.

In a continuous service, the target system is tested regularly. New features and previous fixes are examined in each round. Continuity also provides insight into the development process itself, for example if similar issues keep appearing, some vulnerabilities are difficult to fix, or remediation work is delayed.

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