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EUICC Architecture

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  There are some components involved   in Remote SIM Provisioning (RSP) in order to provide eSIM services. These components must be integrated with Mobile Network Operator (MNO) system and eUICC Manufacturer (EUM). Inside the eSIM, the eUICC holds some components contain values, keyset, and profile of eSIM. This is for both M2M and Consumer architecture. According to Global Platform Certifitation (GPC), card architecture contain Security Domain (SD) and Application. Each can come from controlling authorities, application provider, and card issuer.   In eSIM / eUICC Security Domain plays significant roles. It contains connectivity and security variables of eSIM to run the services.  During the integration between the RSP and MNO system these components must be clearly defined. They are ISD-R, ISD-P, and ECASD. 1.        ISD-R (Issuer Security Domain- Root), representation of off-card entity SM-SR. •     ...
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  2023.06.03   How secure is your SIM   SIM card enables you to use services from a Mobile Network Operator (MNO). From MNO perspective it will enable MNO to identify you as subscriber/ customer. With that in mind, SIM card in thief or hacker hand can cause financial and personal problem. SIM card is the key to the social media and bank accounts. With the advent of end-to-end encryption technology, two-way authentication is the new norm. When you log in to your account, an OTP (One-Time Password) is sent to your SIM card number. When you enter the OTP, you can log into your account, using social media, banks, payment portals, streaming services, and so forth. Now just imagine your SIM card in the wrong hands even for a few minutes. SIM card security has become default capability since it’s produced. SIM card is physically protected and when using services on MNO network. The PIN and PUK code. PIN code consisting of 4 digits, is the access code to your SIM ca...
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Proactive SIM

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  SIM card has the ability to interact with outside entities like device or network. With regards of SIM capability to initiate command to the device, it is conducted with proactive command. When the SIM initiate proactive command it means the SIM is in proactive mode. Some example of this proactive commands are DISPLAY TEXT, SETUP MENU, POWER ON CARD, POWER OFF CARD, etc. Some files will be required for SIM / UICC to handle the proactive command. •        EF SUME (Setup Menu Element). This file contains values related to menu title tobe used by SIM / UICC when execute Setup Menu command. •        EF RMA (Remote Management Action). This file contains record with values of proactive command used in remote management.
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