Fukuchiyama City: one mail account of its fire department was accessed without authorization, and a flood of spam delayed the department's outgoing mail
From January 13 to 14, a fire department mail account was abused and a flood of spam queued up, delaying the department's outgoing mail.
Disclosed
2021-01-15
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
What happened
From this day until the 14th, one mail account the fire department uses was accessed without authorization, and spam may have been sent from it. [1] [2]
A large number of messages queued up and delayed mail sent from the fire department. The city stopped the account so that no more spam could be sent. [1] [2]
Impact and response
Timeline
- Started 2021-01-13
- Disclosed 2021-01-15
- 2 days
Attack or cause
- Method
- [Credential abuse]
- Impact
- Entry point
- Unknown
Data exposed or at risk
–
Organizations involved
[Breached][Moderate]Kyoto, FukuchiyamaMunicipality
Fukuchiyama City
Sources
- [1][Official]不正アクセスにより消防本部が管理するメール配信に遅延が生じた事象についてFukuchiyama City · 2021-01-15
- [2][News]消防本部が迷惑メールの踏み台に、メール遅延発生ScanNetSecurity · 2021-01-18 09:00