System Dynamics of a Refined Epidemic Model for Infection Propagation Over Complex Networks

Internet of Things Malware : A Survey

“…Chakrabarti et al [101] formulates a general network model for SIS based on graph theory adjacent matrix. Dadlani et al [102] uses the SIS model incorporated with infection delay and infective medium vector over complex networks and finds that these two variables accelerate the infection spread in the population. Wierman et.al [103] uses the SIS model to computer virus with possibility of reintroduction.…”

Stability and Immunization Analysis of a Malware Spread Model over Scale-Free Networks

“…Validated by simulation, we compare the analytical plots with that of the basic SIS model to demonstrate the impact of additional refinements on the increase in the spreading process. Such increase in the infected density justifies the reduction of the epidemic threshold for the malware model as studied in [7]. Each simulation result in Fig.…”

“…The malware propagation model adopted from [7] is shown in Fig. 1, where S(t), I i (t), and V j (t) denote the densities of susceptible nodes, nodes in the i th infection stage (i = 0, 1, .…”

“…In reality, a multipartite malware may not only infect a network node in multiple phases (also known as infection delay), but also propagate via email attachments, file sharing, and phishing schemes. Though epidemic thresholds for the SIS model with time delay and propagation vectors are derived in [7], no study on the potency of immunization tactics for the model exists.…”

“…In this paper, we derive the basic reproductive ratio (R 0 ) [8] to analyze the equilibrium stability of the model in [7]. Being a key concept widely-used in epidemic theory, R 0 refers to the total number of secondary infections produced as the result of introducing an infected node in the infection-free population.…”