The inventive data processing system and method enable verifiable secure transfer of information between two or more parties, each having access to at least one identity verification system, utilizing a platform-independent architecture to enable verification of identities of parties sending and receiving secured information, and ensuring that only an authorized receiving party gains access to the secured information, regardless of the type, model, ownership and/or quantity of biometric identity verification (BIV) systems being utilized by each party. Parties desiring to securely transfer information between one another register at a central security management system, and each provide at least one biometric enrollment to their unique record configured for storing multiple BIV system enrollments for each party. The inventive system and method also provide an adaptive enrollment feature which enables the system to function automatically and transparently with new BIV systems that have not been previously enrolled by the user.