Credit card company Mitsubishi UFJ Nicos Co. said Thursday that it has lost key information on about 197,000 customers but that the data are unlikely to be leaked to unauthorized sources or abused in electronic transactions.
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Mitsubishi UFJ Nicos said an internal investigation revealed the company may have mistakenly discarded the data, which were compiled between 1993 and 2001 and include the names, addresses and bank account numbers of current and former Nicos and UFJ card customers.
The lost data, however, do not include their personal identification numbers, the company said.
Since the data were stored in a film that requires a special reading device to use, it is unlikely they will be leaked and no inquiries about the matter have been received, the company said.
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