For Echo Electronic Magazine (Ezine)

I have written article almost in every issue in an electronic magazine that was released by the since 2002. These articles (in Bahasa) can be viewed directly on the official site of the ezine,
For Ilmu Komputer (in Bahasa)

This Articles describe how to send a fake email and give a better idea how to mitigate the issue.
This Articles Describe and gives some understanding about Firewall, the most common types, characteristic, configuration, also best practice in creating a firewall.
This Articles are all we should know about "computer viruses"