Neiman Marcus data breach worse than first said

The theft of consumer data from Neiman Marcus appears far deeper than had been disclosed originally, with the luxury retailer now saying that hackers invaded its systems for several months in a breach that involved 1.1 million credit and debit cards.

The malware installed on terminals in Neiman Marcus stores appears to be the same malware used in the massive Target breach, according to the New York Times.

It is unknown whether the same cybercriminals are suspected in both breaches. Investigators have described a loose band of hackers from Eastern Europe as the likeliest suspects in the Target theft.

Read more from the New York Times.