Internet Infrastructure Review (IIR) Vol.31
June 2016

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• Executive Summary[24KB]
• Infrastructure Security "Various Ransomware and Their Countermeasures"[3.65MB]

  This volume covers the period of time from January 1 through March 31, 2016. In this period a number of hacktivism-based attacks were once again carried out by Anonymous and stemming from sites associated with the whaling controversy, attacks targeting public agencies and personal websites that do not seem directly related have also been observed.

• Messaging Technology"The Latest Trends in Spam"[3.93MB]

  We examine messaging technology for the first time in about a year. And regarding technological trends, we discuss the features of DMARC in detail, while also giving a supplementary explanation based on information obtained from IIJ services.

• Technology Trends"TLS Trends"[425KB]

  We cover technological trends by going over the discussion of TLS at the IETF. In this chapter, we hope to provide more insight by giving an explanation of operation using TLS 1.2, while also discussing the new technology to be incorporated in TLS 1.3, although it may ultimately change.