VietnamPlus reported a data breach at Paycloud Holdings (Japan) on 3 November 2026. It affected 77,000,000 email addresses.
What we know as of
Status
Reported by VietnamPlus; not yet confirmed by Paycloud Holdings or an authority.
People affected
77,000,000 email addresses.
What was exposed
Email addresses, Phone numbers, Names and Addresses.
When
First reported 3 November 2026.
How
Hacking, through Arara Message.
Paycloud Holdings’s record
No earlier breach on record under this name.
Not known yet: when it began and who was behind it. This page is updated as notices and statements come in.
Every fact above has its source below. Journalists: free to quote with credit (“Privacy Unpacked data breach tracker”, with a link to this page and the date); the figures can move. Follow this breach (feed) · Every major breach · Ask us for a figure
People affected
77,000,000email addresses
Reported
3 November 2026News report
What was exposed 4
Email addresses
Phone numbers
Names
Addresses
How it happened
How
Hacking hackers illegally infiltrated the serverssourceOur translation from Vietnamesetin tặc xâm nhập trái phép vào các máy chủ
Way in
Arara Message This subsidiary provides an email distribution service called Arara MessagesourceOur translation from VietnameseCông ty con này cung cấp dịch vụ phân phối email mang tên Arara Message
News reports are read by an AI model; every fact taken from an article was checked word for word against it, and anything it could not find was dropped. · Corrections and changes
VietnamPlus reported a data breach at Paycloud Holdings (Japan) on 3 November 2026. It affected 77,000,000 email addresses. How it happened, by the sources: hacking, through Arara Message. It has been reported but not confirmed by Paycloud Holdings or an authority.
What data was exposed in the Paycloud Holdings breach?
Email addresses, Phone numbers, Names and Addresses, by the notices and reports on this page.
How do I know if I was affected?
Organisations normally tell the people whose data was involved, by letter or email, and that notice says what of yours was in it. We cannot look up individual people. If you got a notice, check that it is real, then follow the steps on this page.
Is there a Paycloud Holdings data breach settlement?
No settlement open for claims is on record for Paycloud Holdings as of 15 November 2026. Every open settlement is listed with its deadline.
Is a letter, email or text about the Paycloud Holdings breach real or a scam?
A real notice names the breach, says what data was involved and never asks for a password, a code or a payment. Criminals often send fake notices after a breach is in the news. Do not use links or phone numbers in the message: go to Paycloud Holdings’s own site, or check the letter here.
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