List of “Cyber Metrics”

  • TSUBAME Report Overflow (Apr-Jun 2022) TSUBAME
    TSUBAME Report Overflow (Apr-Jun 2022)
    This TSUBAME Report Overflow series discuss monitoring trends of overseas TSUBAME sensors and other activities which the Internet Threat Monitoring Quarterly Reports does not include. This article covers the monitoring results for the period of April to June 2022. The scan trends observed with TSUBAME sensors in Japan are presented in graphs here. Changes in Mirai-type packets in Japan The top 5 ports for the number of packets with Mirai-type...

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  • TSUBAME Report Overflow (Jan-Mar 2022) Cyber Metrics
    TSUBAME Report Overflow (Jan-Mar 2022)
    This TSUBAME Report Overflow series discuss monitoring trends of overseas TSUBAME sensors and other activities which the Internet Threat Monitoring Quarterly Reports does not include. This article covers the monitoring results for the period of October to December 2021. The scan trends observed with TSUBAME sensors in Japan are presented in graphs here. Looking back on 2021 Figure 1 shows a comparison and transition of the total number of IP...

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  • What’s happening in Ukraine on the Internet? – Data from Shodan Trends Cyber Metrics
    What’s happening in Ukraine on the Internet? – Data from Shodan Trends
    JPCERT/CC Cyber Metrics Group utilizes various kinds of data in order to understand what is happening on the Internet and call for appropriate cybersecurity measures based on the analysis. For example, we operate TSUBAME [1], an Internet threat monitoring system, and Mejiro [2] , an Internet risk visualization service. In this article, we used data from Shodan Trends to check how the recent situation in Ukraine looks on the Internet....

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  • TSUBAME Report Overflow (Oct-Dec 2021) Cyber Metrics
    TSUBAME Report Overflow (Oct-Dec 2021)
    This TSUBAME Report Overflow series discuss monitoring trends of overseas TSUBAME sensors and other activities which the Internet Threat Monitoring Quarterly Reports does not include. This article covers the monitoring results for the period of January to March 2022. The scan trends observed with TSUBAME sensors in Japan are presented in graphs here. Scan packets to GRE increased Table 1 shows the top 5 packets sent from IP addresses in...

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  • TSUBAME Report Overflow (Jul-Sep 2021) Cyber Metrics
    TSUBAME Report Overflow (Jul-Sep 2021)
    This TSUBAME Report Overflow series discuss monitoring trends of overseas TSUBAME sensors and other activities which the Internet Threat Monitoring Quarterly Reports do not cover. This article covers the monitoring results for the period of July to September 2021. The scan trends observed with TSUBAME sensors in Japan are presented in graphs here. Scan packets from Russia increased From Russia, there were accesses to a variety of ports, including port...

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  • TSUBAME Report Overflow (Apr-Jun 2021) Cyber Metrics
    TSUBAME Report Overflow (Apr-Jun 2021)
    Hello, I am Keisuke from Cyber Metrics Group. This blog article shows findings and news not covered in our Internet Threat Monitoring Quarterly Report for Apr-Jun 2021, such as differences in TSUBAME monitoring results in Japan and overseas. Number of packets compared between Japan and overseas The figure 1 and 2 show the daily average of packets sent to TSUBAME sensors each month. Overseas sensors received more packets than those...

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