The ABI Lab Report on IT Architectures in Banking focuses on the importance of Cloud Adoption for banks, exploring technical, organizational, and legal issues. It analyzes the investment priorities in Cloud by Italian banks and presents a research project outlining the challenges and opportunities of Cloud adoption, including areas of compliance, contracts, organizational culture, and security. The report emphasizes the crucial role of cybersecurity and data management in ensuring the effectiveness of Cloud services. Finally, it provides insights for improving governance in the Cloud context.