With the present technology, users are generating huge data by using various applications based on the usage data is transferred to database. Database technology provides an efficient, easy and secured procedures for managing the data and information systematically. All the operations of data manipulation and maintenance are done by using Database Management System (DBMS) with Computer Networks which has become a powerful medium for fast information exchange and access. Ensuring security of the database is very a critical issue for any organization. Mainly security threats include any action to deny, exploit and corrupt or destroy the information by attackers. The systems have to be defended from various security threats by adopting proper security measures and techniques.The need of Database Forensics is increasing for investigating the cyber threats and database level attacks. Database forensics is becoming an important field now a days, which can be used to identify, detect, acquire, analyze cyber-attacks in the databases and its related systems. It is also required to make suitable readiness for cybercrime investigation team at organizational level to make at least preliminary level investigations. This paper briefly discusses about the database forensics and its security measures.