> JapanHacked_
[Investigating][Severity: Major][Unknown]

prismatix: intrusion into its membership service; giftee suspends its consumer service

An intrusion hit prismatix, a membership and login service; giftee stopped its consumer service on 11 November and is checking whether member data leaked.

Disclosed

2026-11-12

Organizations involved

2

Leaked or at risk

Unknown

Downtime

Unknown

What happened

giftee Inc. said on 12 November that prismatix, the membership and login service of prismatix Inc. that it uses, was accessed by an outsider. To limit the damage it stopped the main functions of its consumer giftee service from about 22:00 on 11 November; no restart date is set. [1]

Some giftee member data may have leaked; the two companies are checking whether and how far it did. [1]

Timeline

  1. Disclosed 2026-11-12
  2. 1 days

Attack or cause

Method
[Unknown]
Impact
[Data leak][Service outage]
Entry point
Supplier

Data exposed or at risk

–

Supply chain

Organizations listed on this site
2

Services hit

Open in service search

Organizations involved

  • [Through a supplier][Major]Tokyo, ShinagawaInformation and communications

    giftee Inc.

    Some giftee member data may have leaked; the main functions have been stopped since about 22:00 on 11 November with no restart date.

  • [Breached][Major]Tokyo, MinatoInformation and communications

    prismatix Inc.

    Its membership-data and login-authentication service was accessed without authorization.

Open in organization search

Sources

  1. [1][Official]外部サービスへの不正アクセスに伴う個人向けサービス「giftee」の一時停止に関するお知らせGiftee Inc. · 2026-11-12