In January, we learned that arts and crafts retail chain Michaels Stores might have suffered a data breach. Now, after weeks of investigation, the company has confirmed that cybercriminals breached not only its systems, but the ones of its subsidiary, Aaron Brothers, as well.
Two independent security firms have been hired by Michaels to conduct an analysis. They found that cybercriminals had used a piece of sophisticated malware to carry out the attack. The malware in question had not been se…