Japan and cybersecurity: What’s behind recent attacks and what’s being done?

Experts warn cybersecurity threats are becoming more sophisticated and widespread, with artificial intelligence removing hurdles for would-be hackers. | REUTERS

By Ariana King
STAFF WRITER

Oct 8, 2026

Authorities are calling for renewed vigilance against cybersecurity threats after the disclosure of a flurry of incidents exposing users’ personal data, and as early figures show Japan may be headed for an unusually bad year for corporate data breaches.

With reported cases up, methods used by bad actors evolving, and artificial intelligence lowering barriers for would-be scammers, growing attention on the threat and new laws that allow more preemptive measures are in focus — but will they be enough?

The targets of recent cyberattacks have ranged from restaurants and retailers to media groups and research institutions, with few sectors left unscathed. Experts say those cases may be just the tip of the iceberg.

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