@article{NIU Xin-xin:124, author = {[NIU Xin-xin, YANG Yi-xian]}, title = {The General Theory of Security (17)——Network Security Ecology}, publisher = {Journal of Beijing University of Posts and Telecommunications}, year = {2016}, journal = {Journal of Beijing University of Posts and Telecommunications}, volume = {39}, number = {5}, eid = {124}, pages = {124-132}, keywords = {cyberspace security;ecology;attack and defense;hacker;security situation}, doi = https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2016.05.024 }