What is hacking how does it harm a system?

Hacking refers to the unauthorized access or manipulation of computer systems and networks, often with the intent to steal data, disrupt services, or cause damage. It can harm a system by compromising sensitive information, leading to data breaches, financial loss, and reputational damage. Additionally, hacking can disrupt operations, cause system failures, and introduce malware that affects the integrity and performance of the affected systems. Overall, the consequences of hacking can be severe for individuals and organizations alike.