Overview

• Hoya Corporation, a leading global manufacturer of optical products, experienced a cyberattack causing significant disruptions to its IT systems.
• The attack led to halted production and sales activities, with some business units experiencing system failures.
• The company is in the process of restoring affected systems and resuming product supply to customers, but a full restoration timeline remains uncertain.
• Hoya is investigating potential unauthorized access to confidential and personal information, with a comprehensive analysis expected to take several days.
• The impact of the cyberattack on Hoya's business performance is currently unknown, but the company's shares have fallen by five percent this week.