Company

TOPPAN Inc.

TOPPAN Inc. (Taito, Tokyo; Manufacturing) appears in 1 related cybersecurity incident. The latest was disclosed on 2026-09-29.

Profile

Metric	Value		As of	Source
Employees	10,331		2026-05-08	METI: Gビズインフォ

		Incident	Role	Impact level				Methods	Impacts		Status
2026-09-29	2026-10-22	TOPPAN: Sompo Japan policyholder data sent to another insurer	[Breached]	[Critical]	[Critical]	2 Sompo Japan Insurance Inc., TOPPAN Inc.	Tokyo	[Misdelivery]	[Data leak]	177,426	[Resolved]