These are level 1 security locks and prevent any individual’s unauthorized access to machine’s information (entering or extracting of data). Atm mini lock is built on NFC technology. The operation of these locks is based on a single-use OTC (OTC) code, which is set by receiving site online and can be used at a specified time. The method of opening and closing of the lock is also based on NFC technology which works by approaching a mobile phone that has NFC and related software. The most prominent advantage of this lock is to increase the security of the ATM machine and manage and monitor the users using the day and time separation in the bank server. This lock can be installed on all ATMs and all places that need to control the access of individuals. Irannara is the exclusive distributor of BBK Company in Iran.