Quantum computer has the prospective to interrupt conventional cybersecurity, making present file encryption techniques susceptible to strikes. As quantum computer systems remain to advance, the demand for durable cybersecurity techniques ends up being progressively immediate. This write-up discovers the influence of quantum computer on cybersecurity as well as reviews arising approaches to protect delicate information as well as interactions in the quantum age. It probes the basic concepts of quantum computer along with its ramifications for cryptography, highlighting susceptibilities of existing file encryption procedures. It checks out different quantum-resistant cryptographic methods, such as post-quantum cryptography and also quantum essential circulation, to alleviate threats positioned by quantum-enabled enemies. The write-up likewise discovers the obstacles as well as chances of executing quantum-resistant cybersecurity actions throughout industries like financing, healthcare as well as federal government.