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SSLeak confirmedJuly 21, 2026 announced

精電舎電子工業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
April 8, 2026
Announced on
July 21, 2026
Severity
SSLarge-scale compromise of sensitive data such as payment or identity-verification records affecting millions.
Scale
Unknown
Main impact
Numerous servers and PCs were encrypted, disrupting the internal network. It was reported that after detection, operations such as order processing, production, and shipping were resumed using a temporary system.
Information involved
Not specified in the disclosure
Cause / key point
Ransomware attack via intrusion through a VPN.About Ransomware
Industry
Manufacturing
Listing / capital
Unlisted
Sources
Last updated
October 20, 2026
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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: Ransomware(Encrypting data and demanding a ransom)

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