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Early warnings
SZB-5ccf578ff6

Arara confirms cyberattack exposing 301 million email addresses

Status
Unverified: only social posts report this so far
Kind
Breach
Vendor
Arara
Product
Email delivery infrastructure
First seen

Summary

Japanese email-delivery provider Arara reportedly confirmed a cyberattack on its infrastructure that exposed about 301 million email addresses. The item's text is truncated, so the full scope and method of the attack are not stated here.

If you use Arara

Watch for phishing emails that target your address, especially ones referencing Arara or other services

Use unique passwords and enable multi-factor authentication on accounts tied to your email

Check Arara's official notices to see whether your address was included

Treat unexpected payment or account-verification requests with caution

What the sources say 1

· Bluesky: “A cybersecurity incident involving Japanese email-delivery provider Arara has exposed approximately…” Source