Which process area are you be targeting when implementing the specific practice Define product risk...

The specific practice "Define product risk categories and parameters" is part of the Test Policy and Strategy process area in TMMi. This practice involves identifying and categorizing the product risks to guide testing efforts and establish a clear understanding of potential product issues. Product risk categories help in determining the focus areas for testing, ensuring that testing is prioritized based on business and technical risks.

TMMi References:

The practice of defining product risk categories is directly linked to the Test Policy and Strategy process area at TMMi Level 2, where risk-based testing approaches are established​​.