I love cybersecurity especially that related to telecommunication. In telecommunication since 2006. But for the last couple of years, my focus is in Telecom security. Have some experience with wireless in general and cellular systems from 2G to 5G (next 6G) both on research and real project on MNO. Being involved in the topic of cellular network attack detection and finding vulnerabilities, especially on commercial networks, with real network-telecom infrastructure is the most exciting to me.I also help the country, the government and some privates company as an ICT Consultant, also in the area of telecommunication such as Spectrum Policy and ICT National Roadmap, IT Audit and Assessment etc.In the defence area, as a technical consultant, trainer, and engineer I have been exposed to Tactical Communication, Interception systems and other Military Standard IT Systems. Teaching at University, active in communities such as the network security association in Indonesia are also my activities. Seeing myself as a very dynamic person and of course impactful driven.Here is the following experience I worked with:• Software Defined Radio (SDR), GNURadio, OpenSource Cellular: OpenBTS, srsLTE, OpenAirInterface4G to 5G, OpenLTE etc• Trainer: Telecom security, Secure communication;• SIGINT: Consultant for Military Communication System-Standard and Law Enforcement Equipment and Technology (for Communication).• EMC and RF environment: - RF Hardware Test and measurement, Electromagnetic compatibility (EMC) - Experience in SIGINT electronics design, antenna design, wave propagation - Familiar with RF Antenna Systems, RF signal processing• ICT Consultant