software development models

Order Instructions
Investigate the library and Internet for information about nontraditional software development models, such as extreme programming (XP), and the security risks that apply to these models. Complete the following:

Select 1 of the software development models from your research. Briefly describe the model, and describe how it differs from a traditional software development model.
Identify at least 1 security risk that would be a threat for this model that would not be a threat for a traditional software development model. Discuss how the security development model can be extended to reduce this security threat.