Privacy experts: T.J. Maxx breach was foreseeable

Canadian privacy authorities say the retailer failed to put adequate security measures in place.

The breach of sensitive personal information held by TJX, operator of discount chains including T.J. Maxx and Marshalls, earlier this year was foreseeable, but the company failed to put in place adequate security safeguards, according to a report.

"The company collected too much personal information, kept it too long, and relied on weak encryption technology to protect it, putting the privacy of millions of its customers at risk," Jennifer Stoddart, the privacy commissioner of Canada, wrote in the report, which was released Tuesday.

Modern crime made a large-scale breach of this kind inevitable, Stoddart concluded. "Criminal groups actively target credit card numbers and other personal information," she said in the report. "A database of millions of credit card numbers is a potential goldmine for fraudsters, and it needs to be protected with solid security measures."

What made such a breach more likely was that the information had been kept for a long time, she said. "The TJX breach is a dramatic example of how keeping large amounts of sensitive information, particularly information that is not required for business purposes, for a long time can be a serious liability."

Stoddart said the affair was a "wake-up call" for all retailers.

Frank Work, the information and privacy commissioner of Alberta, added: "They must collect only the personal information necessary for a transaction."

TJX disclosed in January that its computer system had been breached, putting millions of credit and debit card numbers as well as other personal information at risk. In May, TJX said it believed the hackers gained access to its information .

Details of 45 million customers of TJX were put at risk. The company could offer no comment at the time of writing.

Colin Barker of ZDNet UK reported from London.

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