The modern data architecture is evolving rapidly due to open-source solutions, cloud services, and the need for scalable systems handling structured and unstructured data. Key ways to prepare for this change include focusing on customer needs, ensuring data portability, promoting agility and flexibility, supporting edge computing, incorporating resiliency strategies, automating tasks, leveraging AI and machine learning, involving various departments in decision-making, and prioritizing cybersecurity. Adopting a modern big data architecture is crucial for businesses to protect their valuable data assets and deliver superior customer experiences.