So with the TJX data loss in the news I decided to see if a year later anyone has learned anything.
During the busy holiday shopping season, I audited the wireless networks of retailers in West Edmonton Mall, one of the biggest malls in the world.

In short: No one has learned anything

As well I took the opportunity to scan the bluetooth devices of the shopping public. over 400 devices later, it seems the public needs a bit of schooling on proper bluetooth security

Article: Has anyone learned anything from TJX?