Cyber Intelligence

Data breach exposes up to 14.2 million email logins at six ISPs

Medium Severity Global

Date Occurred Jun 28, 2026 14:13 UTC

Event Type Cyber Intelligence

Source BleepingComputer

Recorded Jun 28, 2026

Full Description

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

Original Source

https://www.bleepingcomputer.com/news/security/data-breach-exposes-up-to-142-million-email-logins-at-six-isps/

Event Metadata

ID #11902
Type Cyber Intelligence
Region Global
Severity Medium
Indexed Jun 28, 2026

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Data breach exposes up to 14.2 million email logins at six ISPs

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