Penetration Test (pentest)



A penetration test, or sometimes pentest, is a software attack on a computer system that looks for security weaknesses, potentially gaining access to the computer’s features and data

The process typically identifies the target systems and a particular goal—then reviews available information and undertakes various means to attain the goal. A penetration test target may be a white box (which provides background and system information) or black box (which provides only basic or no information except the company name). A penetration test can help determine whether a system is vulnerable to attack, if the defenses were sufficient, and which defenses (if any) the test defeated.

Security issues that the penetration test uncovers should be reported to the system owner. Penetration test reports may also assess potential impacts to the organization and suggest countermeasures to reduce risk.

The goals of penetration tests are:

  1. Determine feasibility of a particular set of attack vectors
  2. Identify high-risk vulnerabilities from a combination of lower-risk vulnerabilities exploited in a particular sequence
  3. Identify vulnerabilities that may be difficult or impossible to detect with automated network or application vulnerability scanning software
  4. Assess the magnitude of potential business and operational impacts of successful attacks
  5. Test the ability of network defenders to detect and respond to attacks
  6. Provide evidence to support increased investments in security personnel and technology

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