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

Vulnerabilities & Exploits(bleepingcomputer.com)view on HackerNews

data breachemail loginsKDDI Corporationvulnerabilitythird-party software

Author: Brajeshwar

Date: 6/29/2026

Article Summary:

A data breach at Japanese telecommunications operator KDDI Corporation exposed up to 14.2 million email logins at six ISPs due to a vulnerability in third-party software.