TSUBAME Report Overflow (Jan-Mar 2023)

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 2023. The scan trends observed with TSUBAME sensors in Japan are presented in graphs here.

Observation of suspicious packets sent from a hosting company in Japan

From February to March, we observed a sharp increase in packets sent to Port22/TCP (ssh) …

article discuss graphs internet january japan malware analysis march monitoring overflow period report reports results scan sensors series threat threat monitoring trends