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Vulnerability assessment is a process of defining, identifying and classifying the security holes in information technology systems. An attacker can exploit a vulnerability to violate the security of a system. Some known vulnerabilities are Authentication Vulnerability, Authorization Vulnerability and Input Validation Vulnerability. [1]
A vulnerability assessment is the process of identifying, quantifying, and prioritizing (or ranking) the vulnerabilities in a system. Examples of systems for which vulnerability assessments are performed include, but are not limited to, information technology systems, energy supply systems, water supply systems, transportation systems, and communication systems.
A Security Assessment is looking to gain a broad coverage of the systems under test but not the depth of exposure that a specific vulnerability could lead to. Penetration Test - Penetration test simulates an attack by a malicious party. Building on the previous stages and involves exploitation of found vulnerabilities to gain further access.
A gray box penetration test is a combination of the two (where limited knowledge of the target is shared with the auditor). [6] A penetration test can help identify a system's vulnerabilities to attack and estimate how vulnerable it is. [7] [5] Security issues that the penetration test uncovers should be reported to the system owner. [8]
As a dynamic testing tool, web scanners are not language-dependent. A web application scanner is able to scan engine-driven web applications. Attackers use the same tools, so if the tools can find a vulnerability, so can attackers. [4]
The earlier a vulnerability is fixed in the SDLC, the cheaper it is to fix. Costs to fix in development are 10 times lower than in testing, and 100 times lower than in production. [18] SAST tools run automatically, either at the code level or application-level and do not require interaction.
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