This article has been indexed from SANS Internet Storm Center, InfoCON: green
At the SANS Internet Storm Center (ISC), handlers frequently analyze data submitted from DShield participants to determine activity trends and potential attacks. A few days ago on May 31st, I observed a small anomaly for %%port:45740%% and decided to monitor it for the next 3 days or so. There was a huge spike in number of sources/day and reports/day recorded on May 31st as shown in Figure 1.
Read the original article: DShield Data Analysis: Taking a Look at Port 45740 Activity, (Thu, Jun 3rd)