This was posted within the past 24hrs on a Ravelry message board, and people are saying that even as of today their accounts have been used fraudulently. I think those responding are most upset that they haven't been notified of the breach.
...informed her that Knit Picks was hacked into on Dec. 21, and discovered the breach on Jan. 25. They didn't make the information public until Feb. 11, and even the it was only to report it to the authorities.
Here is the link to the pertinent information regarding the privacy breach.
Knitpicks = Crafts Americana = Connecting Threads