Black hat hacking refers to the practice of exploiting computer systems and networks for malicious purposes. These hackers often seek to steal sensitive information, disrupt services, or cause damage. Unlike ethical hackers, who aim to improve security, black hat hackers operate outside the law and can face severe legal consequences. Typically, black hat hackers use various techniques, such as malware, phishing, and exploits, to gain unauthorized access to systems. Their actions can lead to significant financial losses for individuals and organizations, as well as compromise personal data and privacy.