Data breach exposes up to 14.2M email logins at six ISPs
Japanese telecommunications giant KDDI Corporation reported a data breach potentially exposing the email addresses and passwords of up to 14.2 million customers. The breach originated from a vulnerability in a third-party software component used across several ISPs.
Why it matters
This incident underscores the systemic risks posed by third-party software dependencies in large-scale telecommunications infrastructure.
Japanese telecommunications operator KDDI Corporation disclosed a data breach where threat actors gained access to one of its email systems used by five other internet service providers (ISPs) in the country.
The report is a factual summary of a cybersecurity incident without editorializing.
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