What is C2 audit in SQL Server?
C2 is an auditing standard where both success and failure events pertaining to database objects and execution of statements are recorded. Event 24278 occurs when a command to turn on the C2 audit mode for trace has been issued. It is generated by the TRACE_CHANGE_GROUP action group.
What is enable C2 audit tracing?
The C2 audit mode uses a system-defined trace to collect audit information for MS SQL Server 2000 and higher. It utilizes all security event categories defined within SQL Server, not all of which are required by the Database STIG. Without required auditing, accountability and investigative support is limited.
Which events can be audited in SQL Server?
About the Microsoft SQL Server Audit Events.
How do I find SQL audit logs?
To view a SQL Server audit log
- In Object Explorer, expand the Security folder.
- Expand the Audits folder.
- Right-click the audit log that you want to view and select View Audit Logs. This opens the Log File Viewer -server_name dialog box. For more information, see Log File Viewer F1 Help.
- When finished, click Close.
How do I audit SQL Server?
Overview of Using SQL Server Audit
- Create an audit and define the target.
- Create either a server audit specification or database audit specification that maps to the audit.
- Enable the audit.
- Read the audit events by using the Windows Event Viewer, Log File Viewer, or the fn_get_audit_file function.
What is DB chaining in SQL Server?
Cross-database ownership chaining, also known as cross-database chaining, is a security feature of SQL Server that allows users of databases access to other databases besides the one they are currently using. These system databases must have cross-database ownership chaining turned on in order to function properly.
How audit is implemented in SQL Server?
Enabling SQL Server Audit
- In the Object Explorer panel on the left, expand Security.
- Right-click Audits and select New Audit… from the menu.
- In the Create Audit window, give the audit settings a name in the Audit name.
What is database audit trail?
When you audit a database, each operation on the data can be monitored and logged to an audit trail, including information about which database object or data record was touched, what account performed the action and when the activity occurred.
What are SQL audit logs?
Auditing an instance of the SQL Server Database Engine or an individual database involves tracking and logging events that occur on the Database Engine. Audited events can be written to the event logs or to audit files. Important. On Azure SQL Managed Instance, this T-SQL feature has certain behavior changes.
Where are SQL Server audit logs stored?
Viewing SQL Server Audit Logs C2 Audit SQL Server audit logs are stored in the default data directory of the SQL Server instance. Each log file can be a maximum of 200 megabytes. A new file is automatically created when the limit is reached.
What are audit columns in SQL Server?
Creating auditing columns Every time a row is added or changed in a table that has an auditing column, the value of the audit column is generated by the database manager. These generated values are maintained for both SQL and native changes to the row.
How does SQL Server track changes?
To configure change tracking, you can use DDL statements or SQL Server Management Studio. For more information, see Enable and Disable Change Tracking (SQL Server). To track changes, change tracking must first be enabled for the database and then enabled for the tables that you want to track within that database.