"It is also believed Chen is involved in a large-scale credit breach believed to be in excess of $70 million according to investigators from the Target Corporation," the newspaper cited an arrest affidavit as saying.
The cyber-attack on Target was the second-largest cybersecurity breach at a US retailer. It dented the company's profits, shook consumer confidence, prompted congressional hearings and helped lead to the removal of Chairman and Chief Executive Gregg Steinhafel this week.
