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SQL injection
Last modified: Wednesday, December 03, 2003  

A form of attack on a database-driven Web site in which the attacker executes unauthorized SQL commands by taking advantage of insecure code on a system connected to the Internet, bypassing the firewall. SQL injection attacks are used to steal information from a database from which the data would normally not be available and/or to gain access to an organization’s host computers through the computer that is hosting the database.

SQL injection attacks typically are easy to avoid by ensuring that a system has strong input validation.

Related Categories
  • Databases
  • Security
  • Related Terms
  • command
  • database
  • query string
  • SQL
  • SQL Server
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    Protecting Yourself from SQL Injection Attacks
    A common example of SQL injection and how to avoid it.

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