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User Rank: Apprentice
10/14/2013 | 6:19:20 AM
The temp file often represents where the harvested card numbers is being stored. Sometimes the intruder doesn't always cover their tracks well and will leave these files in clear-text.
However many intruders will attempt to cover their tracks by encrypting their storage files which becomes another common tell-tail sign of a compromise.
So the lesson is, if unexplainable encrypted files or files full of cardholder data are discovered within your network, begin an investigation immediately.