Explain the concept of social engineering, and how it can be used to gain unauthorized access to a system.

Social engineering is the art of manipulating individuals to reveal confidential information, such as passwords or login credentials, or to gain unauthorized access to a system. Unlike traditional hacking methods that involve exploiting technical vulnerabilities, social engineering relies on exploiting human weaknesses, such as curiosity, fear, or trust. Social engineering attacks can take various forms, including phishing, pretexting, baiting, and tailgating. Phishing is the most common social engineering technique, where attackers send fraudulent emails or messages to individuals, pretending to be a trustworthy source, such as a....