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In this report, we will explain incidents that occurred between January and March 2010, and also examine incidents similar to Gumblar that have been occurring since December last year, as well as targeted attacks on U.S. corporations. Additionally, we will take a look at IIJ's MITF anti-malware activities and the technology involved.
Packets are consistently sent to the correct destinations over the Internet due to the proper transfer of routing information between networks. In this section we will give an overview of routing protocols and summarize the problems caused by the advertisement of incorrect routing information.
In this report, we will present an overview of trends in the ratio of spam for week 1 through week 12 of 2010, and compare the results with those for the same period the previous year. We will also investigate trends for the major regional sources of spam, report on the implementation status of sender authentication technology, and examine issues with the approach to email address internationalization.
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