interesting visual powerpoint slides on how one can
thwart some easy attacks on ATM cards.
http://www.hoax-slayer.com/atm-fraud-xray.shtml
another attack
http://www.hoax-slayer.com/atm-skimming.html
They are usually harder to detect but it seems that it
is considered as a serious threat.
http://www.atmmarketplace.com/article.php?id=5209&prc=19&page=37
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