随着电子银行的普及、互联网金融的崛起、移动支付的迅速发展,信息安全、账号安全问题越来越突出,也愈发受到关注。信息安全的重要不言而喻,而信息安全包涵的范围又非常广泛,小到个人信息和隐私,中到企业和组织的竞争性信息,大到国家政治、经济和军事机密。可以说,“没有信息安全,就没有国家安全”。在现在的大数据时代,国家信息安全又有了新的内涵和外延,最显著的变化在于,当一国拥有的数据规模,以及针 With the popularization of e-banking, the rise of Internet finance, the rapid development of mobile payment, the problems of information security and account security are becoming more and more prominent, and are getting more and more attention. The importance of information security is self-evident, and information security encompasses a wide range of areas ranging from personal information and privacy, to competitive information in businesses and organizations, to national political, economic and military secrets. It can be said, “Without information security, there is no national security ”. In the era of big data nowadays, the national information security has new connotation and denotation. The most significant change is that when a country has a data size and a needle