What Is a Due Diligence Questionnaire?

A Due Diligence Questionnaire (DDQ) is a standardized set of questions designed to gather information about a potential business partner or vendor. It is used by organizations to assess the suitability, reliability, and risk associated with engaging in a business relationship. 

In cybersecurity, a Due Diligence Questionnaire may include inquiries about the vendor's security practices, data protection measures, compliance with industry standards and regulations, incident response capabilities, and third-party security audits. 

These questions are essential in third-party risk management (TPRM) and vendor risk management (VRM) and help organizations evaluate the security postures. They help in making informed decisions to mitigate risks associated with third-party engagements. 

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