A data breach that has potentially exposed the email and password combinations for over 14 million customers across six internet service providers (ISPs) has been disclosed by Japanese telecoms provider KDDI Corporation.
According to the company, hackers exploited a vulnerability in a third-party software to access the database of credentials. KDDI said that it immediately blocked the hackers’ access after discovering the intrusion on June 17, 2026.
“Although technical defensive measures have already been implemented for the system, there remains a possibility that customers’ email addresses and passwords were obtained by unauthorized third parties as a result of the incident.”
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Source: Tech Radar
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