To keep pace with these advancements in cyber technologies there is a need to expand research and develop new cybersecurity methods and tools to secure these domains and environments. Cyberspace has created new technologies and environments such as cloud computing, smart devices, IoTs, and several others. The security of the new cyberspace is called cybersecurity. With these improvements come new challenges, and one of the main challenges is security. This new cyberspace has improved the workings of businesses, organizations, governments, society as a whole, and day to day life of an individual. The digital transformation has created a new digital space known as cyberspace. The comparison of results with that of the existing techniques demonstrates the robustness and efficacy of the proposed technique. The effectiveness of the technique is analyzed in terms of revocability, diversity, security, and recognition performance. The proposed technique has been evaluated on five fingerprint databases of Fingerprint Verification Competitions, namely, FVC2002, FVC2004, and FVC2006. The secure user template generated by the proposed technique comprises fingerprint shell curves computed using the transformed pair-polar structure of the minutia points. It is based on the fingerprint shell, which computes alignment-free, singular point independent, and non-invertible user templates. This paper proposes a user template protection technique to secure a fingerprint based user template used in a biometric authentication system. Consequently, the scope of biometrics invariably depends on the ability of the system to manifest security and robustness against biometric identity theft along with achieving acceptable recognition performance. Nonetheless, extensive usage of biometric systems has also resulted in growing fear of identity theft as storing biometric user templates in databases opens up severe security concerns. Authentication systems have evolved immensely ever since the use of biometrics in the field of security has started.

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