Dai Nippon Printing: unauthorized logins to its bookstore "honto" used email addresses and passwords leaked elsewhere

Logins may have used email addresses and passwords apparently leaked from other services. No leak from its own systems was confirmed.

Disclosed

2022-06-14

Organizations involved

Leaked or at risk

Unknown

Downtime

Unknown

What happened

2022-06-14
It announced the case. It learned that unauthorized logins might have used email addresses and passwords apparently leaked elsewhere than honto. It contacted affected members individually. It said registered data is stored securely and no leak from its own systems was confirmed. [1]

[Breached][Major]Tokyo, ShinjukuManufacturing
Dai Nippon Printing Co., Ltd.
The service is operated by Dai Nippon Printing. No count was published.

						Note
Dai Nippon Printing Co., Ltd.	[Breached]	[Major]	Tokyo, Shinjuku	Manufacturing	Unknown	The service is operated by Dai Nippon Printing. No count was published.