What is Authorization?

Authorization is the security process that determines what actions an authenticated user or system is permitted to perform on specific resources.

What is authorization in cybersecurity?

Authorization is the process of determining whether an authenticated entity has permission to access a specific resource or perform a particular action. It occurs after authentication and enforces access policies. Authorization flaws are among the most critical web application vulnerabilities because they directly enable unauthorized data access.

How is authorization different from authentication?

Authentication verifies identity while authorization determines permissions. A user may successfully authenticate but lack authorization to access administrative functions. These are separate security controls that must both be implemented correctly. Many breaches occur when developers confuse the two or assume authentication alone is sufficient.

What are common authorization vulnerabilities?

Common authorization flaws include insecure direct object references, missing function-level access controls, path traversal bypasses, and forced browsing to restricted resources. Horizontal privilege escalation lets users access other users' data while vertical escalation grants administrative privileges to standard users.

How does ioSENTRIX test authorization controls?

ioSENTRIX testers systematically map all roles and permissions within an application, then attempt to bypass authorization controls at every level. We test for IDOR vulnerabilities, privilege escalation, parameter tampering, and missing access checks on sensitive endpoints. This manual approach uncovers logic flaws that automated tools consistently miss.

What is the difference between RBAC and PBAC?

Role-Based Access Control assigns permissions through predefined roles while Policy-Based Access Control uses fine-grained policies that evaluate multiple contextual attributes. PBAC offers more flexibility by considering factors like resource sensitivity, user department, and environmental conditions to make dynamic authorization decisions.

Why do automated scanners miss authorization flaws?

Automated scanners lack the contextual understanding needed to identify authorization issues. They cannot determine which resources user A should versus should not access, or whether a standard user reaching an admin function is a vulnerability. Only manual testing by skilled penetration testers who understand the application's business logic can reliably find these flaws.

What is the principle of least privilege in authorization?

Least privilege means granting users and services only the minimum permissions required to perform their specific tasks. This limits the damage if an account is compromised and reduces insider threat risk. Implementing least privilege requires detailed role analysis, regular permission reviews, and just-in-time access provisioning for sensitive operations.

How should APIs implement authorization?

APIs must enforce authorization on every request at both the endpoint and object level. Use access control middleware that validates permissions server-side before processing any request. Never rely on client-side enforcement or assume that API obscurity provides security. Implement consistent authorization patterns across all API endpoints to prevent gaps.