Masked FVE record: a data API with no authentication or authorization returned real-name rosters of residents' association officers, facility staff contacts and employee numbers in bulk.
Masked FVE record: a null accessToken was accepted and order IDs increased sequentially, so anyone could read other customers' phone numbers, names and payment methods without authentication.
Masked FVE record: a missing authentication-level check let an anonymous session read a victim's resident-number-based linking information (CI) and identity details.