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[Investigating][Severity: Critical][Unknown]

Environmental Restoration and Conservation Agency: a third party sent a large number of suspicious emails through its mail server

On April 14, mass sending of suspicious emails by a third party through the agency's mail server came to light. No information leak was confirmed.

Disclosed

2021-04-15

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. It came to light that a third party had sent a large number of suspicious emails through the agency's mail server. [1]

  2. It announced the case. It took steps to stop the sending and began investigating. [1]

Response

No information leak was confirmed. The agency said it would continue investigating the cause, strengthen information security and work on preventing a recurrence. [1]

Timeline

  1. Detected 2021-04-14
  2. Disclosed 2021-04-15
  3. 1 days

Attack or cause

Method
[Unknown]
Impact
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][News]独立行政法人環境再生保全機構、メールアカウントから不審メール大量送信ScanNetSecurity · 2021-05-10 08:00