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Zend Developer Zone:
Security Tip Use a Database Abstraction Layer to help prevent SQL Injection
April 11, 2007 @ 11:39:00

Matthew Weir O'Phinney has posted one of his own security tips to the Zend Developer Zone today involving the use of a database abstraction layer to help prevent SQL injections in your application.

SQL injections are a common vulnerability in web-based applications that use databases. [...] There are several methods to prevent this type of attack.

He gives three helpful hints for SQL injection prevention:

  • Use your database extension's quoting mechanism to quote values prior to executing a query
  • Use PDO's prepared statements support
  • Use a database abstraction layer (DAL), such as AdoDB, PEAR::MDB2, or Zend_Db.

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