Data of M1 customers compromised, including NRIC, phone numbers and addresses

Singapore telco M1 experienced a data breach on Oct 30, leading to the exposure of customer data.

The breach has since been contained and investigations are ongoing, reported The Straits Times.

An AsiaOne reader, whose personal information was compromised, received an email informing him of the matter at about 8pm on Friday (Nov 6).

The email, seen by AsiaOne, states that the affected data includes customer names, NRIC/FIN numbers, birth dates, mobile phone numbers, email addresses and addresses.

The company said no payment card details, financial or banking information, or customer account access was compromised.

"We encourage you to remain vigilant and exercise caution when responding to unsolicited calls, messages or emails," it said.

"M1 takes the security and confidentiality of information entrusted to us very seriously. We regret that this data breach has occurred and apologise for the concern it has caused you."

A string of data breaches has been reported in Singapore recently, involving companies such as MoneySmart and Amadeus, which supports certain booking processes of Singapore Airlines.

The Cyber Security Agency of Singapore's chief executive Gwenda Fong urged businesses on Friday to review their cyber defences.

The Personal Data Protection Commission told AsiaOne it is aware and investigating the case.

AsiaOne has reached out to M1 for more information.

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lim.kewei@asiaone.com