Panera Bread suffered a data breach exposing customer PII, with third-party reporting suggesting approximately 5.1 million customers affected, that figure is unverified and does not originate from an official Panera disclosure. Multiple class-action lawsuits are active as of early 2026, alleging inadequate data protection controls and insufficient incident response. The primary business risk is regulatory and legal exposure: organizations in the food service and loyalty program space should treat this as a signal to audit third-party data handling, PII retention practices, and breach notification procedures.