This research explores the historical evolution, tactics, and classifications of social engineering in the realm of cyber security. Tracing its roots back to the 1990s when attackers would exploit human vulnerabilities through phone calls, the paper highlights the shift towards sophisticated techniques targeting individuals to transfer substantial sums or disclose sensitive information. The term" social engineering" was coined in 1894, gaining prominence in cybersecurity in the 1990s and evolving with the proliferation of the internet. The attackers meticulously research their targets, utilizing human-based and computer-based social engineering tactics.