If the purpose for security incident report, you can contact: incident[at]camcert.gov.kh.
If the purpose of your communication is vulnerability report, Security News, or any other technical questions/feedback related to cyber security use this: office[at]camcert.gov.kh.
Ministry of Posts and Telecommunications (MPTC)
Department of ICT Security
National Cambodia Computer Emergency Response Team (CamCERT)
#113, Monivong Blvd, Phnom Penh, Cambodia
Business Hours : Monday – Friday: 08:00 – 17:00 (Cambodia Standard Time)
Phone: (+855) 23 722 391