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 Copyright © Net 2000 Ltd. 2003-2004 
 
http://www.Net2000Ltd.com 
4346 6454 0020 5379 
4493 9238 7315 5787 
4297 8296 7496 8724  
 
and after the masking operation the information would appear as: 
 
4346 XXXX XXXX 5379 
4493 XXXX XXXX 5787 
4297 XXXX XXXX 8724 
 
The masking characters effectively remove much of the sensitive content from the 
record while still preserving the look and feel. Take care to ensure that enough of the 
data is masked to preserv