Data processing systems and methods, according to various embodiments, are adapted for efficiently processing data to allow for the streamlined assessment of risk ratings for one or more vendors. In various embodiments, the systems/methods may use one or more particular vendor attributes (e.g., as determined from scanning one or more webpages associated with the particular vendor) and the contents of one or more completed privacy templates for the vendor to determine a vendor risk rating for the particular vendor. As a particular example, the system may scan a website associated with the vendor to automatically determine one or more security certifications associated with the vendor and use that information, along with information from a completed privacy template for the vendor, to calculate a vendor risk rating that indicates the risk of doing business with the vendor.