Dentsu’s U.S. subsidiary Merkle experienced a cybersecurity breach that led to data exposure involving staff and clients, prompting system shutdowns and ongoing investigations. The incident highlights the importance of incident response and data protection for large global firms. #Merkle #Dentsu #DataBreach #Cyberattack
Keypoints
- The cybersecurity incident affected Dentsu’s U.S.-based subsidiary Merkle, a major customer experience agency.
- System shutdowns were implemented as part of the company’s immediate response to abnormal network activity.
- Sensitive personal data of employees and clients, including bank details and National Insurance numbers, was leaked.
- Merkle’s network was compromised, but Japan-based systems remained unaffected.
- Investigations are ongoing, with third-party responders engaged, and no ransomware group has claimed responsibility yet.