5 steps to building NSA-level access control for your app

Access control in web applications is a critical concern, with the NSA providing valuable guidance on implementing secure systems through their cybersecurity information sheet, "Advancing Zero Trust Maturity Throughout the User Pillar." Highlighted by the 2021 OWASP as a top security risk, broken access control is a major vulnerability that cyberattacks exploit to impersonate users and access sensitive data. The NSA's advice emphasizes adopting a Zero Trust model, which insists on strict identity verification and limited access to necessary resources, incorporating techniques such as multi-factor authentication and granular access controls. The Zero Trust model is structured around seven pillars, with a particular focus on the User Pillar, which addresses managing user access dynamically. To create a robust access management system, the NSA advocates for an Attribute-Based Access Control (ABAC) model over traditional Role-Based Access Control (RBAC), enabling more flexible and granular policy creation. Additionally, access control should be implemented as a separate microservice, avoiding the integration of authorization logic with application code, and should support real-time updates. Permit.io aims to make ABAC accessible through low-code interfaces, allowing broader organizational engagement in permission management, and stresses the importance of continuous learning and adaptation in adopting Zero Trust principles.

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