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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.
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.
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.
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