Title: On the Spread of the Viruses on the Internet Speaker: Amin Saberi Abstract: We analyze the contact process on random graphs generated according to the preferen- tial attachment scheme as a model for the spread of viruses in the Internet. We show that any virus with a positive rate of spread from a node to its neighbors has a non-vanishing chance of becoming epidemic. Join work with N. Berger, C. Borgs, and J. Chayes