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Re: Encrypting Credit card numbers

by diskcrash (Hermit)
on Apr 23, 2001 at 02:07 UTC ( #74607=note: print w/replies, xml ) Need Help??

in reply to Encrypting Credit card numbers

Dear Pete-

In your original question -

How to securely store credit cards to make them safe in case of a system penetration.

Don't forget the low tech, Kevin Mitnick style, social engineering. If you get enough credit cards, as previously noted, you become an attractive target.


  • Who has physical access to any system that has these numbers?
  • Are the passwords written on the monitor?
  • Where and how secure are your backups?
  • Are there operators who have been warned against sneaky people calling up seeking "help"?
  • Is the server room decently locked up?
  • Does just anyone have the ablity to come and go?
  • How good is the security of the back end that clears the transactions?
  • Do you actively patrol the security updates for the OS?

Sometimes the fancy lock pick is a crow bar. -Diskcrash

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[ambrus]: marto: no, not that way. if you just want to test for an existing id attribute, then write *[@id] , or you can match a regexp to the value of that attribute like *[@id=~/something/ ]
[marto]: ambrus, thanks I ended up going with '//*[starts- with(@id, "thread_")]...
[ambrus]: Sometimes it's easier to just match elements in ways other than xpath, like directly with perl code.
[marto]: this is a cheap hack, a script that doesn't need to run for long, using WWW::Mechanize:: Firefox to drive some awful interface.
[marto]: if it were anything more serious I'd spend more time looking into it properly :P

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