HAM, callsign is HA5YAR. As a hobby repairs electronic and Hammond organs.
Graduated as technician of electronic measurements from Kandó Kálmán Technical School, then as engineer of heavy elektronics and teacher from BME in 1972. Worked for TERTA at the Dept. of Electronic Measurements, then programmer, systems programmer and developer of HW test programs. He has dealt with HW-related data protection and security since 1997. Currently IT security officer at MKBB. Presenter at Hacktivity since 2009 and participant of NATO Information Assurance Symposium since 2011.