Y.A.C. Holdings Co., Ltd. Announces Ransomware Attack on Subsidiary YAC GARTER CO., LTD.

Y.A.C. Holdings Co., Ltd. Announces Ransomware Attack on Subsidiary YAC GARTER CO., LTD.

Y.A.C. Holdings Co., Ltd. announced that its consolidated subsidiary YAC GARTER CO., LTD. experienced a ransomware attack on its internal servers on November 25, 2025. The company is investigating the incident with external experts, and no personal or confidential data has been confirmed as leaked. #Ransomware #YACGARTER

Information

  • Victim: YAC GARTER CO., LTD. | YAC GARTER CO., LTD.
  • Website: garter.co.jp
  • Country: JPN | Japan
  • Date Reported: 2025-11-25

Keypoints

  • YAC GARTER CO., LTD. suffered a ransomware attack on its internal servers.
  • Incident detected and contained on November 25, 2025.
  • Investigations are ongoing with external cybersecurity experts.
  • No personal or confidential data has been confirmed leaked.
  • The impact on Y.A.C. Holdings’ consolidated results is expected to be limited.
  • The company commits to transparent communication of further developments.
  • The affected servers were isolated to prevent further damage.

Read More: https://www.yac.co.jp/en/ir/news/auto_20251126509739/pdfFile.pdf