Company

USAC System Co., Ltd.

USAC System Co., Ltd. (Chuo, Osaka, Osaka; Information and communications) appears in 1 related cybersecurity incident. The latest was disclosed on 2025-08-08.

Profile

Industry/type: Information and communications
Location: Osaka, Osaka, Chuo
Website: https://www.usknet.com/

Public figures

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Metric	Value		As of	Source
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Incident history

Disclosed 2025-08-08Updated 2026-10-23Osaka[Contained][Severity: Major][Breached][Major]
USAC System: ransomware attack
[Ransomware][Service outage][Data leak]Leaked 2.6KOrganizations 1

		Incident	Role	Impact level				Methods	Impacts		Status
2025-08-08	2026-10-23	USAC System: ransomware attack	[Breached]	[Major]	[Major]	1 USAC System Co., Ltd.	Osaka	[Ransomware]	[Service outage][Data leak]	2,553	[Contained]