What types of customer data were compromised in the 46.2 million account leak?

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Customer Data Compromised in 46.2 Million Account Leak Included Personal and SIM Card Details

The breach affecting 46.2 million Malaysian cellular subscription accounts involved the compromise of postpaid and prepaid numbers, customer addresses, and SIM card details. This extensive data leak originated from multiple sources and is currently under investigation by the police and the Malaysian Communications and Multimedia Commission (MCMC).
Personal Subscriber Information Leaked

The compromised accounts included both postpaid and prepaid mobile numbers belonging to Malaysian telcos and mobile virtual network operators (MVNOs). This directly impacted a significant portion of the nation's mobile user base, as reported by Lowyat.net. The leak specifically mentioned that all major operators, such as DiGi, Celcom, Maxis, Tunetalk, Redtone, and Altel, had their customer data compromised.
Residential Addresses Exposed

In addition to mobile numbers, the personal residential addresses of customers were also part of the leaked data. This exposure of sensitive personal information raises concerns about the potential for identity theft and other privacy violations for those affected by the breach. The scope of the address compromise suggests a broad reach within the customer databases of the affected telecommunication providers.
SIM Card Information Compromised

Details pertaining to SIM cards were also found to be part of the data leak. While the specific nature of these SIM card details is not elaborated upon, their inclusion indicates a deeper level of compromise beyond basic subscriber identification. This aspect of the breach could potentially facilitate further fraudulent activities related to SIM card cloning or unauthorized access.

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What types of customer data were compromised in the 46.2 million account leak?

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