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JAENES
SPossible leakOctober 9, 2026 announced

神奈川県警（使用済み運転免許証）Data breach / unauthorized access incident

笹尾 祐太朗の写真Reviewed by Yutaro SasaoWritten by Leak Watch editorial team published ・ updated
Occurred on
August 1, 2026
Announced on
October 9, 2026
Severity
SCompromise of deep personal data or usable credentials.
Scale
30 records
Main impact
In August 2026, a police officer improperly took about 30 used driver's licenses and, after drinking, temporarily lost the bag at a station; no leakage to or misuse by third parties has been confirmed.
Information involved
Identity verification data
Cause / key point
The cause is under investigation.
Industry
Government & municipal
Listing / capital
Government / public body
Sources
Last updated
October 20, 2026
Identity verification dataHow severity is assessed →

Is this incident worth paying attention to?

Written & reviewed

笹尾 祐太朗の写真

Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.

CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.

Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:

Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction

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Attack method classification: Loss & theft(Physical loss of devices and media)

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