A data breach at a Singtel vendor, has resulted in the leak of personal data of some 129,000 customers. Certain information of 23 businesses linked to Singtel, including suppliers and partners, were also compromised, said Singtel upon completion of its initial probe of this incident.

Singtel knew of the hacking attempts on the file sharing system of its vendor, Accellion, last December. In response, a series of “patches” were applied including the last one on Dec 27. 

Yet, on Jan 23, Accellion, a privately-held, California-based cloud solutions provider, said a new vulnerability was found and that previous patches were of no use. Singtel took the system offline immediately.

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