UIN Syarif Hidayatulah Hacking Overview, Art of Penetration Testing, December 2004, Jakarta.
BL Computer Security, Art of Penetration Testing, Jakarta, December 2004.
STIMIK Dipanegara Computer Seminar and Workshop, Art of Penetration Testing, Makassar, December 2004.
STIMIK Dipanegara Computer Seminar and Workshop, Information Security Awareness, Makassar, December 2004.
FKI 2004, Ethical Hacking, Jakarta, June 2004.
MSI-Bocor IT Roadshow, Information Security Awareness, Medan, Padang, Pekanbaru, Palembang, Bogor, Bandung, Semarang, Jogjakarta, Solo, Malang, Surabaya, Bali, Balikpapan, Samarinda, Banjarmasin, Makassar, April-June 2004.
FORDIS-HIMTI Binus, Web Hacking, Jakarta, March, 2004.
2003
IndoCOMTECH 2003, UNIX Security, Jakarta, October, 2003.
Bogor Cyber City Expo 2003, Network Attack and Defense, Bogor, July, 2003.
IndoSOFT2003 , Network Attack and Defense, Jakarta, July, 2003.
Id- BSDCon , FreeBSD : System Hardening, Bandung, July, 2003.
Id- BSDCon , FreeBSD : Introduction to Ports and Packages, Bandung, July, 2003.