A massive data breach attack against e-commerce giant Coupang Inc. that has affected over 30 million customers' data lasted from June to November and involved the exploitation of the company's electronic signature key, according to officials Tuesday.
"As we review all log data from July last year to November this year, we have confirmed that private data from more than 30 million accounts was leaked," Second Vice Science Minister Ryu Je-myung said during a parliamentary session. "The attack was carried out from June 24 to Nov. 8."
He said the attacker used Coupang's electronic signature key, which is required to access the company's servers.
Ryu said a police investigation is needed to identify the suspect, referring to reports of a purported former Coupang employee having emailed the company, claiming to have stolen more than 30 million items of personal information.
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