Exploring open source intelligence

Gathering information before exploiting and gaining access to a network or system will help the penetration tester narrow the scope of the attack and focus on the security vulnerabilities of the target. This means the penetration tester can design specific types of attacks, exploits, and payloads that are suitable for the attack surface of the target. We will begin our information-gathering phase by utilizing the largest computer network in existence: the internet.

The internet has many platforms, ranging from forums and messaging boards to social media platforms. A lot of companies create an online presence to help market their products and services to potential clients. In doing so, the creation of a company's website, Facebook, Instagram, Twitter, LinkedIn, and so on ensures that their potential customers get to know who they are and what services and products are being offered. The marketing department is usually responsible for ensuring...