TPG Telecom says up to 15,000 email accounts of business customers hacked

The logo of Australia's TPG Telecom Ltd can be seen outside their head office in Sydney, Australia, April 12, 2017. REUTERS/David Gray/File Photo

(Reuters) -Australia's No. 2 telecom provider TPG Telecom Ltd said on Wednesday its cyber security adviser Mandiant notified the company of unauthorised access to an exchange service that hosts email accounts of up to 15,000 business customers.

The hack was an attempt to access customers' cryptocurrency and financial information, TPG said.