Act on Prevention of Damage from Unauthorized Acts Against Critical Computers (Act No. 42 of 2025)
重要電子計算機に対する不正な行為による被害の防止に関する法律
Published: 2025-05-23 · Source: e-Gov Law Search — Updated Laws · Stage: In Force · Area: Other · Impact (preliminary): Low · First detected by this dashboard: 2026-10-02
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AI summary
Generated by AI from the Japanese source metadata. It is an unofficial monitoring aid, not legal advice, and may contain errors. The area, stage, and impact labels are preliminary keyword-based triage labels. Confirm every point in the original Japanese source.
Summary
The e-Gov law update list shows an entry for the Act on the Prevention of Damage Caused by Unauthorized Acts Against Critical Computers (Reiwa 7 Act No. 42), with a promulgation date of 2025-05-23 and an effective date of 2026-10-01. The metadata does not include the text or a description of the Act's provisions.
Business Impact
Depending on the Act's scope, which is not stated in the provided metadata, organizations that operate or rely on computer systems that may be considered critical could be affected. The nature and extent of any obligations cannot be determined from the information given.
Recommended Action
Review the official Japanese text on e-Gov to confirm the Act's scope, effective date, and any provisions relevant to your organization.
Timeline of related official records
Related official records are linked only when names and instrument numbers match exactly, so this timeline may be incomplete. Dates are as stated by the official sources. It is a monitoring aid, not legal advice; the original Japanese sources are authoritative.
- 2025-05-23 — Promulgated (statute recorded by e-Gov Law Search) Original Japanese source
- 2026-10-01 — Effective date stated by e-Gov Law Search Original Japanese source