Interview Questions
1. Being a DBA what all measures you will follow to make SQL SERVER more secure?
- When possible, use Windows Authentication logins instead of SQL Server logins
- Using server, database and application roles to control access to the data
- Using an unguessable SA password
- If possible, disable and rename the sa account
- Restricting physical access to the SQL Server
- Disabling the Guest account
- Minimize the number of sys admins allowed to access SQL Server.
- Give users the least amount of permissions they need to perform their job.
- Use stored procedures or views to allow users to access data instead of letting them directly access tables.
- Don’t grant permissions to the public database role.
- Remove user login IDs who no longer need access to SQL Server.
- Avoid creating network shares on any SQL Server.
- Turn on login auditing so you can see who has succeeded, and failed, to login.
- Ensure that your SQL Servers are behind a firewall and are not exposed directly to the Internet.
- Do not use DBO users as application logins
- Firewall restrictions ensure that only the SQL Server listening port is available on the database server.
- Apply the latest security updates / patches
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