Research on APT and its Secrutiy Protection

Abstract

Advanced persistent threat (APT) has become a serious chanllenge to network security in recent yeas. Characteristics of this kind of network attack involve purposiveness,concealment,sustainability and variability, and it is hard to protect for critical infrastructure, financial systems, elements of national power, etc. These threats range from unwitting hackers to nation-states, each at various levels of competence. For performing security protection, five typical cases of APT including Night Dragon attack, Google Operation Aurora, RSA SecurID attack, Stuxnet attack and Shady Rat attack were analyzed. Its commonly attack process and technology characteristics are summarized. Finally, some suggestions and opinions on secrutiy protection were presented.