If you work in an organization you may realize how time critical may be the data. Always ensure that login to a database is password protected. Defining level of access is also important. Any tampering in data must be tracked with its user’s authorization into the system. Physical security of the database rooms is also important. Use access controls and make sure that referencing of the data is through a program. Only DBA should have the right to modify directly in the database. Database security is a bigger issue and is the new talk of the cyber security world. As a DBA programmer learning or knowing about database security is must.