Aidma Holdings: unauthorized access to the Mamaworks remote job site
Aidma Holdings investigated after the police told it that data said to be the member list of its Mamaworks remote job site had been uploaded to the internet. On 1 October it confirmed that a third party had got in through a weakness in the system's settings and that the data may be the real member list. Names, birth dates, genders, phone numbers, addresses, emails, work histories and password hashes may have leaked. The number of people was not disclosed. The weakness has been fixed.
Disclosed
2026-10-20
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
Timeline
- Detected 2026-10-01
- Disclosed 2026-10-20
- 19 days
Attack or cause
- Method
- [Misconfiguration]
- Impact
- [Data leak]
- Entry point
- Unknown
Data exposed or at risk
Services hit
Organizations involved
[Breached][Critical]Tokyo, ShinagawaInformation and communications
Aidma Holdings, Inc.
Sources
- [1][Official]「ママワークス」における個人情報漏えいに関するご報告とお詫びAidma Holdings · 2026-10-20