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Telco giant KDDI says data breach affects over 12 million people

📅 8 July 2026 at 11:24 UTC📰 Bleeping ComputerView original source ↗
Telco giant KDDI says data breach affects over 12 million people

Japanese telecommunications giant KDDI says that millions of people had their email addresses and passwords exposed after attackers breached an email platform used by five internet service providers (ISPs) in the country. [...]

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A zero-day vulnerability in third-party software was exploited by attackers, breaching the email platform used by five Japanese ISPs, exposing over 12 million people's email addresses and passwords.

⚙️Technical Details
Affected Systems
email platform
Attack Vectors
zero-day vulnerability in third-party software
💥Impact Assessment
Severity: high
Who Is at Risk
up to 14,22 million current and former customers of affected ISPs
🛡️Recommended Actions
1Implement multi-factor authentication for email accounts
2Regularly update software and systems with the latest security patches
3Monitor email accounts for suspicious activity
📦Affected Products
email platform

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