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Database Security:
Database security concerns the use of a broad range of information security controls to protect databases against compromises of their confidentiality, integrity and availability. Database security is a specialist topic within the broader realms of computer security, information security and risk management.
Database security entails allowing or disallowing user actions on the database and the objects within it. Oracle uses schemas and security domains to control access to data and to restrict the use of various database resources.
It's Mechanism that protects the database against intentional or accidental threats.
There is a need for a technical and procedural standard for the protection of database systems, which lies at the heart of information systems. Such a standard shall serve as a guide to the setting up and operation of; systems that provide and maintain a safe and secure environment.
» Database security allows or disallows user actions on the database and objects within it. It protects a database from unintended activity. Unintended activity can be categorized as authenticated misuse, malicious attacks or inadvertent mistakes made by authorized individuals.
» Database security is a term that is used to describe the safety invested into a single database, or storage of several informations and confidentials on a computer.
» Database security can be defined as a system or process by which the "Confidentiality, Integrity, and Availability," or CIA, of the database can be protected.
» Databases are susceptible to other vulnerabilities like poor password management, SQL injection, leakage of data, and improper error handling apart from cross site scripting
Block Diagram
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» Security risks to database systems include,
  • Unauthorized or unintended activity or misuse by authorized database users, database administrators, or network/systems managers, or by unauthorized users or hackers (e.g. inappropriate access to sensitive data, metadata or functions within databases, or inappropriate changes to the database programs, structures or security configurations).

  • Malware infections causing incidents such as unauthorized access, leakage or disclosure of personal or proprietary data, deletion of or damage to the data or programs, interruption or denial of authorized access to the database, attacks on other systems and the unanticipated failure of database services.

  • Overloads, performance constraints and capacity issues resulting in the inability of authorized users to use databases as intended.

  • Physical damage to database servers caused by computer room fires or floods, overheating, lightning, accidental liquid spills, static discharge, electronic breakdowns/equipment failures and obsolescence.

  • Design flaws and programming bugs in databases and the associated programs and systems, creating various security vulnerabilities (e.g. unauthorized privilege escalation), data loss/corruption, performance degradation etc.,

  • Data corruption and/or loss caused by the entry of invalid data or commands, mistakes in database or system administration processes, sabotage/criminal damage etc.
Real Time Examples
Database Security Solutions
  • Database Activity Monitoring (DAM)
  • Database Firewall (DBF)
  • User Rights Management for Databases (URMD)
  • Discovery and Assessment Server (DAS)
  • SecureSphere Database Agents
  • Imperva
  • Whitehat
  • Acunetix
  • Beyond Security
  • Cenzic
  • Denim group
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