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Data breach

Japan's Niconico hit by cyber-attack, causing outage and data leak

First reported · Last reported · 5 related reports

Japanese video-sharing service Niconico suspended its service after a large-scale cyber-attack. The outage continued and the service was expected to remain offline until July. A data leak resulting from the attack was later confirmed.

Key facts

Affected organisation
Niconico
Incident type
Data breach
Occurred / detected
Not confirmed
Scale of damage
Service outage and data leak
Cause / method
Large-scale cyber-attack
Location
Japan

If your data was exposed

  1. Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.

Timeline

  1. Niconico was hit by a cyber-attack.
  2. The Niconico outage continued after the large-scale cyber-attack.
  3. Niconico's outage was expected to last until July.
  4. A data leak resulting from the cyber-attack was confirmed.

5 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.