The article discusses the challenges faced by businesses in maintaining network security, such as increasing complexity of cyber threats and a shortage of skilled cybersecurity professionals. It highlights how generative AI can help address these issues through enhanced threat detection and response, real-time incident analysis, generating synthetic data for model training, and automatic phishing detection. The article also explores the role of MongoDB in facilitating the development and deployment of robust, real-time network security systems by providing a flexible, document-based architecture that can handle complex data efficiently. Examples of companies using AI and MongoDB to improve their cybersecurity are provided, such as ExTrac for threat intelligence and VISO TRUST for supply chain risk assessment. The article concludes with steps on how businesses can start leveraging generative AI and vector search capabilities in network security applications.