Business SaaS and e-mail

LINE Official Account

LINE Official Account (run by LY Corporation) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2024-08-26.

About the service

Website

https://www.linebiz.com/jp/service/line-official-account/

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Category

Business SaaS and e-mail

For

Businesses

		Incident	Role	Impact level				Methods	Impacts		Status
2024-08-26	2024-09-03 08:05	LY Corp: credential stuffing on LINE Business IDs hijacked 688 official accounts, exposing friends' chats and other data	[Breached]	[Major]	[Major]	1 LY Corporation	Tokyo	[Credential abuse]	[Data leak][Fraud]	Unknown	[Resolved]

Other incidents of the operator (5)

		Incident				Methods	Impacts		Status
2026-10-09	2026-10-14	Commune: unauthorized access to the Commune community platform	[Critical]	12 Commune Inc., Aomori Prefectural Government, LY Corporation, Mazda Motor Corporation, Panasonic Corporation, Suzuki Motor Corporation, Yamaha Motor Co., Ltd., Bandai Namco Experience Inc., Koike-ya Inc., Morinaga Milk Industry Co., Ltd., Sansan, Inc., Yamaha Corporation	Aomori, Hiroshima, Osaka, Shizuoka, Tokyo	[Intrusion]	[Data leak]	307,000	[Investigating]
2024-11-29	2024-12-12	LY Corp: a LINE Album defect showed thumbnails of other users' album images, affecting over 120,000 users in Japan	[Critical]	1 LY Corporation	Tokyo	[Misconfiguration]	[Data leak]	135,000	[Resolved]
2024-08-05	2024-08-14 08:05	LY Corp: a defect in Yahoo! JAPAN ID SMS login may have let third parties read Yahoo! Mail	[Major]	1 LY Corporation	Tokyo	[Misconfiguration]	[Data leak]	Unknown	[Resolved]
2024-02-14	2024-02-21	LY Corporation: contractor accounts misused; 57,611 staff-related records may have leaked	[Major]	1 LY Corporation	Tokyo	[Credential abuse]	[Data leak]	57,611	[Contained]
2023-11-27	2024-04-23 08:05	LY Corporation: contractor PC malware led to access to former LINE systems, and up to about 520,000 records leaked	[Critical]	1 LY Corporation	Tokyo	[Malware][Intrusion]	[Data leak]	519,506	[Contained]