In recent years,network attacks have been characterized by diversification and scale,which indicates a requirement for defense strategies to sacrifice generalizability for higher security.As the latest theoretical ach...In recent years,network attacks have been characterized by diversification and scale,which indicates a requirement for defense strategies to sacrifice generalizability for higher security.As the latest theoretical achievement in active defense,mimic defense demonstrates high robustness against complex attacks.This study proposes a Function-aware,Bayesian adjudication,and Adaptive updating Mimic Defense(FBAMD)theory for addressing the current problems of existing work including limited ability to resist unknown threats,imprecise heterogeneous metrics,and over-reliance on relatively-correct axiom.FBAMD incorporates three critical steps.Firstly,the common features of executors’vulnerabilities are obtained from the perspective of the functional implementation(i.e,input-output relationships extraction).Secondly,a new adjudication mechanism considering Bayes’theory is proposed by leveraging the advantages of both current results and historical confidence.Furthermore,posterior confidence can be updated regularly with prior adjudication information,which provides mimic system adaptability.The experimental analysis shows that FBAMD exhibits the best performance in the face of different types of attacks compared to the state-of-the-art over real-world datasets.This study presents a promising step toward the theo-retical innovation of mimic defense.展开更多
Through rigorous natural selection,biological organisms have evolved exceptional functions highly adaptable to their living environments.Biological organisms can achieve a variety of biological functions efficiently b...Through rigorous natural selection,biological organisms have evolved exceptional functions highly adaptable to their living environments.Biological organisms can achieve a variety of biological functions efficiently by using the synergic actions of two or more different parts of the body,or the coupling effects of multiple factors,and demonstrate optimal adaptations to the living environment.In this paper,the function,characteristics and types of biological couplings are analyzed,the implementation mechanism and mode of biological coupling functions are revealed from the bionic viewpoint.Finally,the technological prospects of the bionic implementation of biological coupling function are predicted.展开更多
基金supported by the National Key Research and Development Program of China(Grant No.2020YFB1804604).
文摘In recent years,network attacks have been characterized by diversification and scale,which indicates a requirement for defense strategies to sacrifice generalizability for higher security.As the latest theoretical achievement in active defense,mimic defense demonstrates high robustness against complex attacks.This study proposes a Function-aware,Bayesian adjudication,and Adaptive updating Mimic Defense(FBAMD)theory for addressing the current problems of existing work including limited ability to resist unknown threats,imprecise heterogeneous metrics,and over-reliance on relatively-correct axiom.FBAMD incorporates three critical steps.Firstly,the common features of executors’vulnerabilities are obtained from the perspective of the functional implementation(i.e,input-output relationships extraction).Secondly,a new adjudication mechanism considering Bayes’theory is proposed by leveraging the advantages of both current results and historical confidence.Furthermore,posterior confidence can be updated regularly with prior adjudication information,which provides mimic system adaptability.The experimental analysis shows that FBAMD exhibits the best performance in the face of different types of attacks compared to the state-of-the-art over real-world datasets.This study presents a promising step toward the theo-retical innovation of mimic defense.
基金supported by the National Natural Science Foundation of China (Grant No. 50635030)
文摘Through rigorous natural selection,biological organisms have evolved exceptional functions highly adaptable to their living environments.Biological organisms can achieve a variety of biological functions efficiently by using the synergic actions of two or more different parts of the body,or the coupling effects of multiple factors,and demonstrate optimal adaptations to the living environment.In this paper,the function,characteristics and types of biological couplings are analyzed,the implementation mechanism and mode of biological coupling functions are revealed from the bionic viewpoint.Finally,the technological prospects of the bionic implementation of biological coupling function are predicted.
