Brian Kelly on his blog mentiones a whitepaper by Cesar Cerrudo: Data0: Next generation malware for stealing databases. This whitepaper describes how malware could be crafted to steal information out of databases. The attack will use the following techniques: Discovery Exploitation Escalate Privileges (if necessary) Cover ...

What is SQL Injection? From wikipedia: SQL injection is a technique that exploits a security vulnerability occurring in the database layer of an application. The vulnerability is present when user input is either incorrectly filtered for string literal escape characters embedded in SQL statements or user input is not strongly typed and thereby ...