"Japanese advertising giant Dentsu has disclosed that its U.S.-based subsidiary Merkle suffered a cybersecurity incident that exposed staff and client data. The company states that the incident forced them to take certain systems offline as part of their response plan. "We detected abnormal activity within part of the network of Merkle, a company leading the CXM (Customer Experience Management) area of our group's overseas business," reads Dentsu's announcement."
"The company employs 16,000 people and has an annual revenue of $2 billion, with high-profile customers including Nestle, American Express, Intel, Microsoft, P&G, Cox, 7-Eleven, Burger King, Subway, J.P. Morgan, Diageo, Heineken, Hilton, and Sanofi. A report from DecisionMarketing says that Dentsu circulated a memo internally to inform staff that their bank and payroll details, salary, National Insurance numbers, and personal contact details had been exposed. A Dentsu spokesperson confirmed via a statement to BleepingComputer that data has been stolen during the attack, and that impacted individuals are in the process of being notified."
Dentsu reported that Merkle, its U.S.-based CXM subsidiary, experienced a cybersecurity incident that exposed staff and client data. The company initiated incident response procedures and proactively shut down certain systems to limit impact. The incident was reported to relevant authorities in affected countries and notifications to impacted individuals have begun. Internal communications indicate exposed data included bank and payroll details, salary information, National Insurance numbers, and personal contact details. Files relating to clients, suppliers, and current and former employees were affected. Merkle operates across North America, EMEA, and APAC, employing about 16,000 people and generating roughly $2 billion annually.
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