This page shows the scan trends observed by JPCERT/CC Internet Scan Data Acquisition System (ISDAS).

Three months Graph(Destination Port Graph)

This graph is updated every week.

Year Graph(Destination Port Graph)

This graph is updated every week.

This graph shows the mean value of scan counts; total counts for all sensors divided by the number of sensors, per destination port.

<ISDAS Info>

• - What is ISDAS?
• - How to Read the Graph