Official KTAs and registration numbers cannot be bought; they are earned through mandatory training.
If online systems are unavailable, authenticity can be verified by bringing the card to the nearest Polda or Polres (local police station). Indicators of Authentic Credentials Cek Nomor Registrasi Satpam Online - Syair SDY
The primary official platform is the Binmas Online System (BOS) managed by the Indonesian National Police (Polri). Security guards can register and verify their accounts here using their KTA and registration numbers. Official KTAs and registration numbers cannot be bought;