Penetration Testing is a method that many companies follow in order to minimize their security breaches. This is a controlled way of hiring a professional who will try to hack your system and show you the loopholes that you should fix.
Before doing a penetration test, it is mandatory to have an agreement that will explicitly mention the following parameters −
- what will be the time of penetration test,
- where will be the IP source of the attack, and
- what will be the penetration fields of the system.
Penetration testing is conducted by professional ethical hackers who mainly use commercial, open-source tools, automate tools and manual checks. There are no restrictions; the most important objective here is to uncover as many security flaws as possible.
Types of Penetration Testing
We have five types of penetration testing −
Black Box − Here, the ethical hacker doesn’t have any information regarding the infrastructure or the network of the organization that he is trying to penetrate. In black-box penetration testing, the hacker tries to find the information by his own means.
Grey Box − It is a type of penetration testing where the ethical hacker has a partial knowledge of the infrastructure, like its domain name server.
White Box − In white-box penetration testing, the ethical hacker is provided with all the necessary information about the infrastructure and the network of the organization that he needs to penetrate.
External Penetration Testing − This type of penetration testing mainly focuses on network infrastructure or servers and their software operating under the infrastructure. In this case, the ethical hacker tries the attack using public networks through the Internet. The hacker attempts to hack the company infrastructure by attacking their webpages, webservers, public DNS servers, etc.
Internal Penetration Testing − In this type of penetration testing, the ethical hacker is inside the network of the company and conducts his tests from there.
Penetration testing can also cause problems such as system malfunctioning, system crashing, or data loss. Therefore, a company should take calculated risks before going ahead with penetration testing. The risk is calculated as follows and it is a management risk.
RISK = Threat × Vulnerability
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