The process of defending computer networks from cyber attacks or unintended, unauthorized access is known as cyber security. Organizations, businesses, and governments need cyber security solutions because cyber criminals pose a threat to everyone. Artificial intelligence promises to be a great solution for this. Security experts are better able to defend vulnerable networks and data from cyber attackers by combining the strengths of artificial intelligence and cyber security. This paper provides an introduction to the use of artificial intelligence in cyber security. AI-driven cyber security refers to the use of artificial intelligence and machine learning technologies to enhance the protection of computer systems and networks from cyber threats such as hacking, malware, phishing, and other forms of cyberattacks. AI-powered security solutions are designed to automate the process of detecting, analyzing, and responding to security incidents in real-time, thereby improving the efficiency and effectiveness of cyber defense. These solutions can analyze large amounts of data, identify patterns and anomalies, and make decisions faster and more accurately than humans alone, enabling organizations to stay ahead of evolving cyber threats.