Frequently Asked Questions

Public Cellular Blocking Service - Disclosure of Personal Data under MCMC's Directive No. 1 of 2013

The Public Cellular Blocking Service (PCBS) is a national initiative managed by the Malaysian Communications and Multimedia Commission (MCMC) to prevent the use of stolen mobile devices on Malaysian networks. This FAQ explains how your personal data is handled as part of this service.

MCEIR (Malaysian Central Equipment Identity Register) is a centralised database owned and operated by the Malaysian Communications and Multimedia Commission (MCMC). It stores mobile device information and user data to support the Public Cellular Blocking Service and other regulatory functions authorised by MCMC.

For more comprehensive information, please visit MCMC's official website.
MCEIR helps protect consumers by enabling the blocking of stolen or lost mobile devices across all Malaysian mobile networks. It also supports other regulatory functions as determined by MCMC.

The following personal information is shared with MCEIR:

Full name

NRIC/MyKad number or other identification document number (e.g., passport for foreigners)

Residential address

Mobile phone number (MSISDN)

Device IMEI number (unique device identifier)

SIM card number

Type of account subscription (prepaid/postpaid)

International Mobile Subscriber Identity (IMSI) number

Phone model and related technical information

Any additional information as required by MCMC
Your personal data is disclosed to comply with MCMC's Directive No. 1 of 2013, which legally requires all cellular operators in Malaysia to provide subscriber information to MCEIR. This enables the effective operation of the Public Cellular Blocking Service and other regulatory functions.
No. The disclosure of this information is mandatory under Malaysian law. All mobile service providers must comply with MCMC's Directive No. 1 of 2013, and no exceptions or exclusions are permitted.

The full details of this directive are available on MCMC's website. Please refer specifically to items 20, 21, and 22 on pages 4 and 5 regarding the "Obligations to Provide End User Information."
All data shared with MCEIR is protected according to Malaysian data protection laws and MCMC's security protocols. The information is only used for authorised regulatory purposes.

For more information about the Public Cellular Blocking Service and MCEIR, please visit MCMC's official website or contact your mobile service provider's customer service.