MoI and Sofia Municipality collaborated with a national partner to upgrade security both city-wide and at NDK by designing and implementing an Integrated Automated Security System (IASS) linking video surveillance and information exchange systems. The digital transformation project Sofia Safe City led to shifting to a single tool for smart policing, enabling more information-driven decisions to be taken at any given time, and providing better instruments for subsequent investigation. Digital technologies were leveraged via a Microsoft Domain Awareness System, making Bulgaria the first EU country to implement it. Video streams were consolidated into a single Milestone XProtect® Corporate video management system (VMS) integrated with various internal systems (people/vehicles register, access control) and managing thousands of in- and outdoor cameras from nine different vendors (analogue/IP). Thus, Milestone provided a platform for proactive monitoring and quick detection of incident's location, enhancing law enforcement’s ability to handle events effectively in different scenarios. Among them are automated alerting when a stolen vehicle’s license plate recognition (LPR) was detected on camera, people running, unattended luggage, people loitering in main venue and restricted areas, crossing a line, etc. Agent Vi’s savVi video analytics software was selected to monitor video feeds, enabling real-time alerts and responses, and fast post-event investigation, replacing the time-consuming task of watching live video and/or manually reviewing recorded video. 500 new IP cameras were installed at NDK, of which 50 were savVi-enabled; of the 2,000+ city cameras, 350 were savVi-enabled at key locations. This digital transformation empowered police with field-preparedness and faster responses in critical situations.