Quantum computing,as a new type of computation recently,has made significant progress globally.The rise of quantum computing technology is set to change the rules of cybersecurity defense.Quan-tum cryptography and quantum communication technology are two interrelated and crucial branches of quan-tum computing.Leveraging the unique properties of quantum mechanics,they provide a novel solution for se-cure information transmission.As quantum computing technology can easily handle traditional public-key en-cryption algorithms,it increases the security risks of data storage and transmission.Quantum attack methods are diverse and possess powerful comprehensive destructive power,forcing countries to reconstruct their cy-bersecurity defense systems.In the future,cybersecurity protection will show trends such as the upgrading of cybersecurity protection technology,resetting the layout of interdisciplinary fields,the rise of zero-trust se-curity concepts,alternating iterations of attack and defense technologies,and continuous adjustments to na-tional security strategies.The legal system of cyberspace security is a crucial guarantee for maintaining na-tional cyberspace security,.Currently,the legal protection capacity of existing cyberspace security is insuffi-cient,necessitating the reconstruction of principles and standards for identifying legal responsibilities in cy-berspace security and improving the rate of undertaking legal responsibilities in cyberspace security.
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