Comment on "breakdown of the internet under intentional attack"

The problem of intentional attack in equilibrium scale-free networks was studied. The study was focused on exact value of the critical fraction of the number of sites needed for disruptions. It was found that such networks were highly sensitive to sabotage of a small fraction of the total number of sites. A continuum approximation for the scale-free degree distribution of the undamaged network was used and compared with the simulation results for the transformed degree distribution. Exact values were obtained using genuine discrete degree distribution and the values agreed with the results and demonstrate the resilience of scale-free networks to intentional damage.