444: intruders entered the TechFUL programming skills service via a development server, putting about 45,000 user accounts at risk, with a ransom demand
A development server with poor access limits was breached and the production database may have been compromised, putting 45,576 individual user accounts and more at risk.
Disclosed
2024-12-25
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
What happened
It received an alert email from its cloud management company about suspicious network activity. [1]
It announced the case. The investigation found that a development server with flawed access control had been breached from outside, and that the production database used in development might have been compromised. A message demanding a ransom to keep data from being published was also found. [1] [2]
Impact
Timeline
- Detected 2024-12-11
- Disclosed 2024-12-25
- 14 days
Attack or cause
- Method
- [Intrusion][Misconfiguration]
- Impact
- [Data leak][Extortion]
- Entry point
- Unknown
Data exposed or at risk
Organizations involved
[Breached][Major]Tokyo, ChiyodaInformation and communications45,576 leaked
444 Inc.
Sources
- [1][News]「TechFUL」ユーザーアカウント約4万5千件漏えい懸念│444株式会社cybersecurity-jp.com · 2025-01-06
- [2][News]機密データ公開しないことを条件に身代金を要求 ~「TechFUL」サーバに不正アクセスScanNetSecurity · 2025-01-10 08:05