Search Results audit




The LBACSYS.OLS$AUDIT table is a critical component within Oracle E-Business Suite (EBS) 12.1.1 and 12.2.2, specifically related to Oracle Label Security (OLS) auditing functionality. This table stores audit records generated by OLS policies, which enforce fine-grained access control based on data sensitivity labels. Below is a detailed 500-word summary of its structure, purpose, and relevance in Oracle EBS environments. ### **Overview of LBACSYS.OLS$AUDIT** The LBACSYS.OLS$AUDIT table resides in the LBACSYS schema, which is the default schema for Oracle Label Security. It captures audit trail entries whenever OLS policies are enforced on database objects, including tables, views, and procedures. This auditing mechanism ensures compliance with regulatory requirements by tracking access to sensitive data. ### **Key Columns and Their Significance** The table contains several columns that log critical details about OLS-related activities. Some of the most important columns include: 1. **AUDIT_ID** – A unique identifier for each audit record. 2. **SESSION_ID** – The Oracle session ID where the audited action occurred. 3. **USERNAME** – The database user who performed the action. 4. **OS_USER** – The operating system user associated with the session. 5. **TERMINAL** – The client machine identifier. 6. **TIMESTAMP** – The exact date and time of the audited event. 7. **ACTION** – The type of action performed (e.g., SELECT, INSERT, UPDATE, DELETE). 8. **OBJECT_SCHEMA** – The schema of the accessed object. 9. **OBJECT_NAME** – The name of the table or view involved. 10. **OLD_LABEL** – The sensitivity label before modification (for UPDATE/DELETE operations). 11. **NEW_LABEL** – The sensitivity label after modification (for INSERT/UPDATE operations). 12. **POLICY_NAME** – The OLS policy that triggered the audit entry. ### **Audit Scenarios in Oracle EBS** In Oracle EBS, OLS is often used to enforce data segregation, particularly in multi-org or multi-tenant deployments where different business units must access only their authorized data. The LBACSYS.OLS$AUDIT table logs activities such as: - **Unauthorized Access Attempts** – When a user tries to query or modify data beyond their clearance level. - **Label Changes** – When a row’s sensitivity label is modified via an UPDATE statement. - **Policy Violations** – When an OLS policy prevents an operation, an audit entry is generated. ### **Integration with Oracle EBS Security** Oracle EBS leverages OLS for advanced security requirements, particularly in industries like healthcare (HIPAA), finance (SOX), and defense (ITAR). The OLS$AUDIT table complements Oracle EBS’s native auditing features (e.g., FND_AUDIT tables) by providing an additional layer of visibility into label-based security events. ### **Querying and Reporting on OLS Audits** To analyze OLS audit data, DBAs can query LBACSYS.OLS$AUDIT directly or integrate it with Oracle Audit Vault for centralized compliance reporting. Example query: ```sql SELECT USERNAME, ACTION, OBJECT_NAME, TIMESTAMP FROM LBACSYS.OLS$AUDIT WHERE POLICY_NAME = 'HR_DATA_POLICY' ORDER BY TIMESTAMP DESC; ``` ### **Maintenance Considerations** Since audit tables can grow rapidly, periodic purging is necessary. Oracle provides the DBMS_AUDIT_MGMT package to manage audit trail retention, but custom scripts may be needed for OLS$AUDIT if automated cleanup is not configured. ### **Conclusion** The LBACSYS.OLS$AUDIT table is an essential tool for monitoring and enforcing data security in Oracle EBS environments where OLS is implemented. By capturing detailed access logs, it helps organizations meet compliance mandates and investigate security incidents effectively. Proper management of this table ensures both security and performance in high-transaction EBS systems.