YCC Information Systems (Yamagata City) has published the results of an investigation by an external organization regarding a cyberattack that occurred in April.
The attack is believed to have been caused by the attacker obtaining or guessing authentication credentials to intrude into the internal network. Personal information of those who participated in the “New Enrollment Congratulations Event” hosted by Yamagata Shimbun from 1998 to 2001 may have been leaked externally, but no leakage of personal information has been confirmed at this time. The company states that it will continue to monitor the internet and implement security measures. As of now, no leakage of personal information has been confirmed for participants of the “New Enrollment Congratulations Event” hosted by Yamagata Shimbun from 1998 to 2001, but please be cautious of suspicious phone calls. Notices regarding this matter have been sent by mail to those affected.
Inquiries about this matter are accepted by the Yamagata Shimbun Advertising Bureau (023-622-5274, weekdays 10:00 AM to 5:00 PM).
Yamagata City
Yamagata City is the capital of Yamagata Prefecture in northern Japan, known for its rich history as a castle town during the Edo period. The city flourished under the rule of the Mogami clan and later developed as a cultural and economic hub, famous for its hot springs, such as those in the nearby Zao Onsen area, and for producing high-quality cherries and sake. Today, it blends historical landmarks like Yamagata Castle ruins with modern attractions, including the annual Yamagata Hanagasa Festival.
Yamagata Shimbun
Yamagata Shimbun is a regional newspaper based in Yamagata Prefecture, Japan, first published in 1876. It has served as a key source of local news and information for over a century, chronicling the region’s development and cultural heritage. The newspaper remains an important institution for connecting communities within Yamagata.
Yamagata City
Yamagata City, located in the Tohoku region of Japan, is the capital of Yamagata Prefecture and has a rich history as a castle town developed by the Mogami clan during the Edo period. It is renowned for its cultural sites, such as the restored Yamagata Castle ruins and the Yamadera temple, a serene Buddhist complex built into a mountainside. Today, the city is also famous for its culinary heritage, particularly Yonezawa beef and its seasonal cherry blossoms.
Yamagata Shimbun
The Yamagata Shimbun is a regional newspaper based in Yamagata Prefecture, Japan, first published in 1876. It has a long history of serving the local community, providing news and information on politics, culture, and daily life in the Tohoku region. As one of the oldest newspapers in the area, it has played a key role in documenting the region’s development and events over the past century.
Yamagata Castle ruins
Yamagata Castle was a Japanese feudal castle built in the 14th century and later expanded under the powerful Mogami clan during the Edo period. Though the original buildings were largely destroyed in the 19th century, the site is now a historic park with restored
Yamagata Castle ruins
The Yamagata Castle ruins, located in Yamagata City, Japan, are the remains of a historic hilltop castle originally built in the 14th century by the Shiba clan. It was later expanded and fortified by the Mogami clan during the Sengoku period, serving as a key stronghold in the region. Today, the site is a public park featuring reconstructed gates, stone walls, and moats, offering visitors a glimpse into Japan’s feudal past.
Zao Onsen
Zao Onsen is a historic hot spring resort located in Yamagata Prefecture, Japan, nestled in the Zao Mountain Range. Its origins date back over 1,900 years, with legend claiming it was discovered by a Buddhist monk, and it has long been valued for its therapeutic sulfur-rich waters. Today, it is famous for its “Snow Monsters” (frost-covered trees) in winter and serves as a popular destination for skiing, hiking, and relaxation.
Yamadera temple
Yamadera Temple, officially known as Risshakuji, is a historic Buddhist temple located in Yamagata Prefecture, Japan. Founded in 860 AD by the priest Ennin, it is famous for its dramatic hillside setting, with numerous temples and caves carved into the mountainside, offering panoramic views. The site has long been a place of pilgrimage and spiritual retreat, famously inspiring the haiku poet Matsuo Bashō, who wrote one of his most celebrated poems there.
Yamagata Hanagasa Festival
The Yamagata Hanagasa Festival is a vibrant summer celebration held annually in Yamagata City, Japan, featuring thousands of dancers parading through the streets while wearing straw hats adorned with colorful safflower blossoms. Originating in the 1960s as a way to revitalize the local economy and promote the region’s famous safflower trade, the festival has since grown into one of the Tohoku region’s most iconic events. Participants dance to the lively “Hanagasa Ondo” folk song, creating a dynamic spectacle of music, movement, and floral displays.
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