What is the primary role of a hacker as defined by standard terminology?

The primary role of a hacker is defined as an individual who breaks into computer networks without authorization. This definition emphasizes the unauthorized access aspect of hacking, which is a core characteristic of hacking activities. Hackers may exploit vulnerabilities in computer systems to gain access to sensitive information, disrupt services, or cause other forms of harm.

This focus on unauthorized entry highlights the distinction between malicious hackers, often referred to as black hat hackers, and those who may operate ethically within the cybersecurity realm (like white hat hackers), who are authorized to test and improve system security. Understanding this differentiation is crucial in the field of cybersecurity, where the motivations and methods of hackers can vary widely. This definition aligns well with common perceptions and legal considerations regarding hacking activities.