5 Major Emerging Risks to Large-Scale Events

This CIS report outlines five emerging risks to large-scale public gatherings — unmanned aircraft systems (UAS), deepfakes and synthetic media, lone-actor and small-group tactics, digital ticketing platform vulnerabilities, and transportation infrastructure sabotage — describing threat environments, potential actors, key assessments (including DDoS, ransomware, supply-chain risk, and bot-driven fraud), and recommended mitigation and coordination steps for event organizers and public safety agencies.