You discover that all available network bandwidth is being used by some unknown service. You discover that UDP packets are being used to connect the echo service on one machine to the chargen service on another machine. What kind of attack is this?

A user is sending a large number of protocol packets to a network in order to saturate its resources and to disrupt connections to prevent communications between services. Which type of attack is this?

How can you calculate the Annualized Loss Expectancy (ALE) that may occur due to a threat?

A user in your department complains about a slow Internet connection. You monitor the external interface of your company's border router and notice an excessive number of half-open TCP connections. What type of attack is your company currently a victim of?

An executive in your company reports odd behavior on her PDA. After investigation you discover that a trusted device is actually copying data off the PDA. The executive tells you that the behavior started shortly after accepting an e-business card from an unknown person. What type of attack is this?