Worldwide Infrastructure Security Report, Volume III: “Arbor Networks®, Inc., in cooperation with the Internet security operations community, has completed the third edition of an ongoing series of annual operational security surveys. This survey, covering a 12-month period from July 2006 through June 2007, is designed to provide data useful to network operators so that they can make informed decisions about their use of network security technology to protect their mission-critical infrastructures. It is also meant to serve as a general resource for the Internet operations and engineering community, recording information on trends and employment of various infrastructure security techniques.”