Events and football stadiums are among the most dynamic and security-critical environments in urban areas. Within a very short time, high crowd densities, complex movement flows and potentially critical situations arise that can only be controlled to a limited extent with conventional security concepts. At the same time, requirements for security, visitor experience and smooth operations are increasing. AI video analysis for events and stadiums starts exactly here: it analyzes crowds and behavioral patterns in real time, detects risks early and enables proactive control of security and operations before situations escalate.