This is an attempt to identify the level of a security system by trying to gain access into the system through identified vulnerabilities with permission from authorized personnel. This form of hacking is commonly known as penetration testing, also known as pen test. Well, you might be right.īut, hacking is also an attempt to explore methods of breaching a defense mechanism and exploiting a weakness of a system to prevent unauthorized parties into the system by sealing the loopholes found in the system. From your perspective, you might think that hacking is the act of trying to gain access to certain network servers. Most people often misunderstand the term hacking.