Blog
07. July 2025

Best Practices for Security in Integrating APEX with Oracle EBS (E-Business Suite)

In this fourth installment, we will focus exclusively on security—from access control and data protection to the proper configuration of application architecture.

In the previous series of articles, we explored various aspects of integrating Oracle APEX and Oracle E-Business Suite. In the article “How Oracle APEX Extends the Functionality of Oracle EBS,” we presented concrete examples of using APEX within the EBS environment. Next, in the article “Key Benefits of Extending Oracle EBS with Oracle APEX,” we summarized the main advantages of this integration. In the third installment, “Key Principles for Safe and Efficient Integration,” we focused on technical and architectural guidelines that help build a stable and sustainable solution.

Security is a crucial element of every integration, especially when working with sensitive data in an ERP system.

  • Principle of Least Privilege:Grant APEX users (including APEX_PUBLIC_USER) and custom schemas only the minimum necessary permissions. Create specific database roles. Limit privileges granted to the PUBLIC role.
  • Protection Against SQL Injection:Always use bind variables (e.g., :ITEM_NAME) instead of concatenated SQL strings. Minimize the use of dynamic SQL and carefully validate inputs when dynamic SQL is necessary. Encapsulate database operations in stored procedures. Enable Session State Protection. Educate developers about SQL injection risks.
  • Secure Session Management:Configure session timeouts (Maximum Session Length, Maximum Session Idle Time). Ensure session cookies have Secure and HttpOnly attributes. Provide a clear logout mechanism (APEX_UTIL.LOGOUT).
  • Audit and Activity Monitoring:Enable standard auditing (AUDIT command) and fine-grained auditing (FGA) for sensitive operations. Monitor APEX-specific logs (APEX_WORKSPACE_ACTIVITY_LOG) and set alerts for unusual activities.
  • Developer Training:Conduct regular training on secure coding and APEX features. Develop security policies and checklists. Promote a culture of security.

Every implementation is different—and it is precisely in these differences that challenges and opportunities often arise. If you are considering integrating APEX into your Oracle EBS environment, we would be happy to review your specific scenarios with you, recommend the best approach, and assist with the design and implementation of the solution.

Get in touch with us—we’d be glad to have a no-obligation discussion about what APEX could bring to your organization.

Just fill out a short contact form or write to us at info@apexsolutions.cz.