Dentsu experienced a cyberattack resulting in a data breach involving sensitive information from Merkle’s network, including client, supplier, and employee data. The company has taken measures such as engaging cybersecurity experts and providing identity monitoring services to affected employees. #Dentsu #DataBreach
Information
- Victim: Dentsu | Dentsu
- Website: merkle.com
- Country: JPN | Japan
- Date Reported: 2025-10-28
Keypoints
- An cyberattack targeting Dentsu led to a data leak involving Merkle’s network.
- The breach included sensitive information of clients, suppliers, and employees.
- Dentsu responded by hiring cybersecurity incident response firms and notifying authorities.
- The company’s systems are now operational again after recovery.
- Open identity monitoring services are being provided to affected employees.