Definition, tools, technologies and concepts of industry 4.0 for the implementation of digital transformation of business processes in the context of the 4th industrial revolution. Application of technologies: Internet of things (IoT), massive data (big data), cloud computing (cloud computing and cloud manufacturing), cyber-physical systems (CPS), artificial intelligence. Challenges: strategic positioning, development of new processes, products and services; implementation of new monitoring, control, optimization and autonomy capabilities. Key principles: interoperability, decentralized decision-making, real-time, integration, agility. Deployment strategies. Information system for industry 4.0.