Integrating Abuse Case Scenarios to Improve Authorization Testing

This article explains how to identify and test authorization-related web application issues—Broken Access Control, IDOR, and Business Logic Flaws—by using tailored "Abuse Case" scenarios; it describes identification techniques, a real-world IDOR example where managers could access attachments across groups, and provides remediation recommendations such as server-side checks, indirect references, RBAC, and logging.