Saitama Sewerage Public Corporation: mail server breached and used to send suspicious mail

The business mail server of the Saitama Sewerage Public Corporation was breached and sent suspicious mail from its domain to many recipients.

Disclosed

2020-01-31

Organizations involved

Leaked or at risk

Unknown

Downtime

Unknown

What happened

2020-01-30 11:00
From about this time, suspicious mail went out from the postmaster address of the corporation's domain. [1] [2]
2020-01-31
Saitama Prefecture disclosed the incident and asked recipients to delete unexpected mail unopened. [1]

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[Breached][Moderate]Saitama, Saitama, SakuraElectricity, gas, heat and water
Saitama Sewerage Public Corporation

						Note
Saitama Sewerage Public Corporation	[Breached]	[Moderate]	Saitama, Saitama, Sakura	Electricity, gas, heat and water	Unknown