Around the beginning of the 21st century, something changed. Criminals started to see business opportunities from compromising and remotely controlling machines. Since then, opportunistic, organized and profit-driven attacks have been rising at an extraordinary pace. For the last 10–15 years the cyber criminals' goal has been to infect as many targets as possible in order to create new botnets ...

Canada exhibits no correlation between income and victimization, rich neighborhoods are less exposed to property crime, households more victimized than their neighbors, invest in protection. We provide a theory consistent with these facts. Criminals within city choose neighborhood pay search cost compare potential victims, whereas self-protection. As criminals' return increases income, likelier...

Gradient Descent Revised LeaderRank Problem Clarification: A conspiracy network is embedded into a network of employees of a company, with its every edge representing a message sent from one node to the other and categorized by topics. Given a few known criminals, non-criminals and suspicious topics, we seek to estimate the probability of criminal involvement for those not identified individual...