Security Testing

Security Testing: Examines systems, applications, and controls for weaknesses and malfunctions. The term describes a method for verifying technical security assumptions. ScopeScopeThe explicitly defined systems, data, locations, activities, and exclusions covered by an engagement., rules, test dataTest DataControlled data used to exercise security controls or system behavior without exposing production information., traceabilityTraceabilityThe ability to reconstruct decisions, changes, and evidence through documented links and records., risk limitation, and subsequent remediationRemediationThe correction or mitigation of a confirmed security weakness, defect, or misconfiguration. must be defined in advance.

How it works and where it fits

Security Testing is a controlled examination with a defined objective, scope, and assessment standard. Credible results require reproducible test steps, suitable data sources, and a clear distinction between an observation, a confirmed finding, and its risk rating. Method and depth must match the technology and threat model being examined.

Practical security relevance

Authorization, target systems, time windows, communications, escalation paths, and permitted techniques are agreed before work starts. Strong findings explain cause, prerequisites, impact, and concrete remediation rather than merely reporting tool output. Retesting confirms that corrective action closed the finding, while recurring patterns should be fed back into development and operational processes.

Related concepts

• Dynamic Application Security TestingDynamic Application Security TestingTests a running application from the outside for exploitable vulnerabilities.: Tests a running application from the outside for exploitable vulnerabilities.
• Mobile Application Security TestingMobile Application Security TestingTesting mobile apps, their communication, and backend interfaces for vulnerabilities.: Testing mobile apps, their communication, and backend interfaces for vulnerabilities.
• Application SecurityApplication SecurityProtects software against vulnerabilities during development, operation, and maintenance.: Protects software against vulnerabilities during development, operation, and maintenance.
• Secure CodingSecure CodingProgramming practices aimed at avoiding common vulnerabilities and misconfigurations.: Programming practices aimed at avoiding common vulnerabilities and misconfigurations.