Walt Disney World does not perform individual criminal background checks on the millions of guests who enter the parks daily. However, they employ a highly sophisticated, multi-layered security system that functions as a "passive" background check. This includes facial recognition technology, license plate readers at parking entrances, and a massive network of plainclothes security officers. Disney also maintains an internal "No-Fly List" of individuals who have been previously "trespassed" (banned) for behavior such as fighting, theft, or violating the park’s strict rules on protests and weaponry. When you scan your ticket or MagicBand, the system cross-references your identity with this internal database of barred individuals. While they won't see your credit score or a minor traffic ticket, Disney is extremely efficient at identifying and removing people who have a history of disruption, ensuring the "Most Magical Place on Earth" remains a controlled and safe environment for families.