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HomeAsiaLens Giant Hoya Hit with $10 Million Ransomware Demand: A Closer Look...

Lens Giant Hoya Hit with $10 Million Ransomware Demand: A Closer Look at the Attack


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Japanese optics giant Hoya Corporation, a leading manufacturer of lenses and medical equipment, recently became the target of a ransomware attack. The attack disrupted production and order processing at some of their facilities, highlighting the ongoing threat ransomware poses to businesses of all sizes.

Let’s delve deeper into the details of the attack, the ransom demand, and explore measures organizations can take to protect themselves from similar threats.

The Attack Unfolds: Disruption and Investigation

On March 30, 2024, Hoya discovered an “IT system incident” in one of their overseas offices. The incident impacted production and order processing systems at several business divisions, causing disruptions and delays. External forensic investigators determined the incident was likely caused by unauthorized access to Hoya’s servers, suggesting a ransomware attack.

Hunters International: The Culprit Behind the Demand

The cybercriminal group responsible for the attack is believed to be Hunters International, a ransomware operation known for targeting various industries. Hoya confirmed a $10 million ransom demand associated with the attack. The company has not disclosed whether they are considering paying the ransom or not.

Ransomware: A Growing Threat for Businesses

Ransomware attacks are a growing concern for businesses worldwide. These attacks involve encrypting an organization’s data, rendering it inaccessible until a ransom is paid. The attackers then threaten to leak or sell the stolen data if the ransom isn’t met.

The Hoya incident serves as a stark reminder of the potential consequences of ransomware attacks:

  • Operational Disruption: Production delays and order processing disruptions can lead to significant financial losses.
  • Data Breach Risk: If attackers exfiltrate data before encryption, it can lead to customer information leaks and reputational damage.
  • Financial Losses: Even if the ransom isn’t paid, the cost of recovering from a ransomware attack can be substantial.

10 Ways to Bolster Your Organization’s Defenses

While ransomware attacks pose a serious threat, there are steps organizations can take to mitigate the risk:

  1. Regular Backups: Maintain consistent backups of critical data to facilitate swift recovery in case of an attack.
  2. Patch Management: Prioritize timely software updates and patching of vulnerabilities to address potential security gaps.
  3. Employee Education: Train employees to identify and avoid phishing attempts, a common tactic used to gain access to systems.
  4. Endpoint Security Solutions: Deploy endpoint security solutions that monitor and protect devices from malware and unauthorized access.
  5. Network Segmentation: Implement network segmentation to isolate sensitive data and limit the potential impact of a breach.
  6. Multi-Factor Authentication (MFA): Enforce MFA wherever possible to add an extra layer of security beyond passwords.
  7. Incident Response Plan: Develop a comprehensive incident response plan outlining procedures for responding to a cyberattack.
  8. Penetration Testing: Conduct regular penetration testing to identify and address security weaknesses in systems.
  9. Cybersecurity Insurance: Consider cyber insurance to help mitigate financial losses associated with data breaches and cyberattacks.
  10. Stay Informed: Subscribe to reputable cybersecurity news sources to stay updated on emerging threats and tactics.


The Hoya ransomware attack underscores the importance of proactive cybersecurity measures. By prioritizing data backups, employee education, robust security solutions, and a well-defined incident response plan, organizations can significantly reduce their risk of falling victim to ransomware attacks and minimize potential damage if one occurs.

Ouaissou DEMBELE
Ouaissou DEMBELEhttps://cybercory.com
Ouaissou DEMBELE is an accomplished cybersecurity professional and the Editor-In-Chief of cybercory.com. He has over 10 years of experience in the field, with a particular focus on Ethical Hacking, Data Security & GRC. Currently, Ouaissou serves as the Co-founder & Chief Information Security Officer (CISO) at Saintynet, a leading provider of IT solutions and services. In this role, he is responsible for managing the company's cybersecurity strategy, ensuring compliance with relevant regulations, and identifying and mitigating potential threats, as well as helping the company customers for better & long term cybersecurity strategy. Prior to his work at Saintynet, Ouaissou held various positions in the IT industry, including as a consultant. He has also served as a speaker and trainer at industry conferences and events, sharing his expertise and insights with fellow professionals. Ouaissou holds a number of certifications in cybersecurity, including the Cisco Certified Network Professional - Security (CCNP Security) and the Certified Ethical Hacker (CEH), ITIL. With his wealth of experience and knowledge, Ouaissou is a valuable member of the cybercory team and a trusted advisor to clients seeking to enhance their cybersecurity posture.


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