自从信息网络继广播、电视和报刊之后成为人类第四媒体以来，它的安全已成为人们普遍关注的问题。信息社会网络的安全是最大的安全已逐渐成为人之共识。 领空、领海和领土是一个国家主权的象征，伴随着信息网络的建立与发展，信息疆域应运而生。信息疆域是“软边界”，无论是天 Since the information network has become the fourth human media after radio, television and newspapers, its security has become a common concern. The security of the information society is the largest security has gradually become the consensus. Airspace, territorial waters and territories are the symbols of a country’s sovereignty. With the establishment and development of information networks, the information territory has emerged. Information territory is a “soft border”, whether it is the sky