Stefanus (or Steve for short) is an international expert in cyber defense, information security, also in Operational Technology as consultant, auditor, trainer, and speaker in information security events with 25+ years experiences in IT, includes 10+ years focusing in security, involved in more than 12 security projects in 14 countries for more than 15 organizations. He holds (ISC)2 CISSP Official Training Instructor certification other than the PECB Certified ISO/IEC 27001 Lead Implementer Certified Trainer certification and the national Indonesian SNI ISO/IEC 27001 Lead Implementer certification from the Indonesia's National Cyber and Crypto Agency, the exclusive certification and as authorized consultant to assist the Indonesian Government Organizations in implementing ISO/IEC 27001. He has also trained personnel from several critical Indonesia's Government Organization such as the Ministry of Communication and Information Technology (KOMINFO), the Indonesia Internet Domain Name Management Body (PANDI), and the State Cyber and Cryptography Agency (BSSN).

Here is a detailed description of the courses that the trainer is specialized in and their related experience.