Internet Infrastructure Review (IIR) Vol.20
August 2013

Download All[4.15MB]

• Executive Summary[3.17MB]
• Infrastructure Security "Home Router Security"[3.38MB]

  In this report, we discuss detection of the ZeroAccess malware, and examine the state of home router security as well as various associated risks. We also look at the spate of unauthorized login incidents that have occurred since the beginning of this year.

• Messaging Technology "An Increase in Fraudulent SMTP Authentication for Sending Spam"[3.14MB]

  The issue of third parties using IDs and passwords for SMTP authentication to exploit email accounts for sending spam is on the rise. Botnets are used in many cases, and these attempt to send spam using valid SMTP authentication. Here we discuss trends in access via fraudulent SMTP authentication observed on IIJ's email services.

• Broadband Traffic Report "The Impact of Criminalization of Illegal Downloads was Limited"[3.63MB]

  To examine the impact of legal enforcement measures, we had paid close attention to the impact of the criminalization of illegal downloads on October 1, 2012. Traffic decreased for about three months following this change coming into effect, but after that the trend curves returned to previous levels, so it appears the criminalization of illegal downloads had only a temporary psychological effect.

• Internet Topics "The IIJmio High-Speed Mobile/D Service and Online Charging"[3.16MB]