Payroll services company Automatic Data Processing Inc. on Wednesday disclosed a data breach that it said apparently affects only one of its employer clients, The Associated Press reports.
ADP said that its security team discovered the intrusion during routine monitoring of its systems.
The breach involved a client of Workscape, Marlborough, Mass., a benefits administration provider that ADP recently acquired.
ADP did not identify the client, which was notified of the breach.
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ADP said the breach did not involve payroll data, and the information that was at risk was part of a product ADP’s benefits administration business no longer sells.
