SQL injection attacks

As our company really always stress about security of our client data (and that is good), again by reading some random Oracle news I came across this short video (commercial for their product).
http://www.youtube.com/watch?v=Zk3_Vc0tA-Y
To cut long story short:
A job seeker thinks he wins the job lottery, but falls into a money-laundering scam by becoming a "money mule." Over 70% of organizations say their applications may be subject to SQL injection attacks.
So what you think about that, and how your project try's to secure client data!?
Nils out.