Higashimatsuyama City Council of Social Welfare: a mail account was taken over and used to send spam
Outgoing mail stopped working on the night of September 3. Checks found an intruder had taken over a mail account and was sending spam to many addresses.
Disclosed
2020-09-16
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
What happened
At night, outgoing mail stopped working. [1]
The contractor found that an intruder in a mail account had been sending spam, which continued until about this time. The password was changed. [1]
Timeline
- Started 2020-09-03
- Detected 2020-09-04
- Disclosed 2020-09-16
- 13 days
Attack or cause
- Method
- [Credential abuse]
- Impact
- Entry point
- Unknown
Data exposed or at risk
–
Organizations involved
[Breached][Moderate]Saitama, HigashimatsuyamaMedical care and welfare
Higashimatsuyama City Council of Social Welfare
Sources
- [1][News]不正アクセスでスパムの踏み台に - 東松山市社会福祉協議会Security NEXT · 2020-09-16