・Security protocols (IPSec, TLS, DUKPT, PKI), encryption devices (AES, PKC, HSM)

・Server infrastructure (cloud, on-premises, router)

・IoT (sensors, loggers, IC cards, TRM)

・Support for design, grand design, and implementation specifications in R&D

・IT operations (server operation/monitoring, auditing, etc.)

・Technical evaluation, Report, White paper writing support

・Legal issues (patents, open source licenses such as GPL)

・Investigative research on international conferences, patents, international standards, papers

・Translation (J-E) of IT technical books, preparation of overview reports