Artificial Intelligence (AI) and Machine Learning (ML) are transformative technologies reshaping industries, particularly in enterprise cybersecurity. AI refers to the broader concept of machines or systems simulating human intelligence, enabling decision-making, problem-solving, and task automation. ML, a subset of AI, focuses on algorithms and models that enable systems to learn from data and improve performance over time. These technologies have become essential in addressing modern cybersecurity challenges by enhancing detection, response, and predictive capabilities in the face of increasingly sophisticated threats. It explores practical applications, including the use of ML for anomaly detection and AI for automating threat response and prediction. The discussion also highlights how these technologies can work together synergistically to enhance cybersecurity defenses. Through case studies and examples, readers gain insights into their real-world implementation, challenges, and emerging trends, along with ethical considerations for their use in enterprise security strategies.