Global banking group HSBC (0005.HK) (HSBA.L) has admitted to losing a computer server holding transaction data of 159,000 account holders in a Hong Kong branch office. The bank said in a statement issued late on Wednesday that it lost track of the server during renovation work at a Kwun Tong district branch on April 26.

The data on the server includes account numbers, customer names, transaction amounts and transaction types, but does not contain any customer PINS, passwords or user IDs, the company statement said.

“The server is protected by multiple layers of security. The risk of data leakage and fraudulent transactions resulting from the loss of the server is deemed to be low,” it added.