Japanese telecom KDDI suffered a cyberattack that breached 12 million email addresses and 7 million passwords. Affected users are expected to complete password changes and other measures within the next several days.
A cyberattack on KDDI compromised 12 million email addresses and 7 million passwords, according to reports published on July 7, 2026.
Affected users have been advised to change their passwords and take other necessary measures within the next several days.
The incident has raised questions about the company's data protection practices.