YCC Information Systems (Yamagata City) announced on April 3 that unauthorized access to its file server via a cyberattack was confirmed. According to the company, some information of individuals who subscribe to the Yamagata Shimbun via credit card payment may have been leaked. Details are currently under investigation.

The information that may have been leaked is believed to include the names, addresses, phone numbers, handling store names, and payment amounts of subscribers whose fees were processed in March. Credit card information was not leaked. Please be cautious of any suspicious phone calls.

For inquiries regarding this matter, please contact the Yamagata Shimbun Reader Affairs Department at 023-664-0293 (9:00 AM to 5:00 PM).

YCC Information Systems

“YCC Information Systems” is not a widely recognized public cultural site or historical landmark. Based on available information, it appears to be a private company or organization, likely in the technology or IT services sector. Therefore, it does not have a public history suitable for a cultural summary in this context.

Yamagata City

Yamagata City is the capital of Yamagata Prefecture in northern Japan, historically developed as a castle town around Yamagata Castle (also called Kajo) during the Edo period. Today, it is a modern administrative and commercial center known for its hot springs, the historic Yamadera temple complex (founded over a millennium ago in 860 AD), and the annual Yamagata Hanagasa Festival.

Yamagata Shimbun

The Yamagata Shimbun is a major regional newspaper founded in 1876 in Yamagata Prefecture, Japan. It is one of the oldest newspapers in the country and has played a significant role in reporting local news and events for over 140 years, chronicling the modern history of the Tohoku region.

Yamagata Shimbun Reader Affairs Department

The Yamagata Shimbun Reader Affairs Department is the reader service and public engagement division of the Yamagata Shimbun, a major regional newspaper founded in Yamagata Prefecture, Japan, in 1876. It serves as a direct channel between the newspaper and its audience, handling inquiries, feedback, and subscriptions to maintain community connection. While not a historical site itself, it represents the long-standing role of local journalism in the region’s information and cultural landscape since the Meiji era.