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12 Million Impacted by Data Breach at Japanese Telco KDDI

SecurityWeek
· July 9, 2026

AI summary

A data breach at Japanese telecommunications company KDDI has affected 12 million individuals. The breach occurred when hackers exploited a previously unknown vulnerability in a third-party system, which allowed them to access an email system used by KDDI for internet service providers.

Read the full article at SecurityWeekwww.securityweek.com/12-million-impacted-by-data-breach-at-japanese-telco-kddi/

This is an AI-generated brief aggregated by HackerFeeds for convenience and grounded in the source’s own summary; the related CVE, threat-group and country data is from HackerFeeds’ own indexes. The original article is the authoritative source — all rights belong to SecurityWeek.