Penetration testing, also called pen testing or ethical hacking, is the practice of testing a computer system, network or web application to find security vulnerabilities that an attacker could exploit. Penetration testing can be automated with software applications or performed manually. Either way, the process involves gathering information about the target before the test, identifying possible entry points, attempting to break in -- either virtually or for real -- and reporting back the findings. The main objective of penetration testing is to identify security weaknesses.
What is pen test (penetration testing)? - Definition from avawhiteacademy.com
It's the process to identify security vulnerabilities in an application by evaluating the system or network with various malicious techniques. The weak points of a system are exploited in this process through an authorized simulated attack. The purpose of this test is to secure important data from outsiders like hackers who can have unauthorized access to the system. Once the vulnerability is identified it is used to exploit the system in order to gain access to sensitive information. A penetration test is also known as the pen test and a penetration tester is also referred to as an ethical hacker.
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