SQL injection defenses

Why Should You Care?; Data at Risk; How Applications Work; How Web Applications Work; How SQL Queries Work; How Web Applications Receive Data; Attacks; Motivations; What Makes Attacks Possible?; How Attacks Work; Types of Attacks; Defenses; Defense #1: Code Securely; Defense #2: Monitor for Attacks; Defense #3: Block Attacks; Defense #4: Probe for Vulnerabilities; Conclusion and Bottom Line.