Installing (any) App asks for my password again and security question's answers Possible Duplicate:
  Is this &ldquo;Security Info Required&rdquo; prompt legitimate?  




I am trying to install Wunderlist (pick any other App), the App Store asks for my password which is fine. But once I key in my password, I get this prompt. 

Security Info Required

To help ensure the security of your Apple ID, you must choose and answer security questions. (Cancel / Continue). 

If I click on Continue, I am asked to enter my Apple ID password?

Is there a virus or a malware on my iPhone 4S?
This was a recent change to increase security for the many iTunes/App Store accounts. This is not malware or anything you have to be concerned with, just Apple increasing security.