TJX Thieves First Hit At MN Store

A Wall Street Journal article cited here quotes investigators familiar with the TJX breach as saying the criminals used an antenna connected to a laptop to capture data moving between scanning devices, cash registers and PCs, which were using wireless LAN connectivity and WEP encryption.

John Pescatore of Gartner is quoted as saying:

The encryption to keep someone from breaking in was done very poorly in this first generation. It’s no better than (no security at all). This is something I would have thought an audit would’ve caught.

It’s something an audit should have caught, and it shouldn’t have gone undetected for 19 months and compromised the security of 45.7 million customers.


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