About Thick Client Security Testing

I have searched in google regarding Thick client security testing But not got anything.As just like Web App security testing there is OWASP testing Methodology and Guide available ,Is there any Thick client Security testing Guide available as Like Web app?In infosec site I found some brief about thick client security testing.But that is also very less .Hi all if you have any resource or information about Thick client testing guide and methodology in Internet please share with me .