The advantages of the Internet of Things (IoT) have reached the business world: many industry sectors are implementing or are already using different types of smart systems in their business processes as well as in production lines. The course Cyber Security in Industry 4.0 will provide an overview of cyber security vulnerabilities in Industry 4.0 as well as the impact that cyber-attacks can have on various targets in Industry 4.0. The course also offers advice on how to mitigate an attack and how to act prior to the attackers, e.g. by creating a company-wide cyber security strategy.