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Security code on debit or credit cards

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Comments

  • CLAPTON
    CLAPTON Posts: 41,865 Forumite
    10,000 Posts Combo Breaker
    Is it not the case that if you do a "Card Holder Not Present" purchase then the item will be delivered to your address and to nowhere else.

    The use of the 3 digit code serves a purpose. Those of us in IT say that it provides PGP as does a 4 digit pin number.

    PGP Pretty Good Protection Not entirely foolproof

    e.g. With a credit card you have 1 chance in 10,000 of guessing what the pin number is etc . With the security number you have one chance in 1000 of guessing it.


    No, some companies have a policy of only delivering to the address registered with the CC / debit card but others will deliver elsewhere.
  • bert&ernie
    bert&ernie Posts: 1,283 Forumite
    CLAPTON wrote: »
    No, some companies have a policy of only delivering to the address registered with the CC / debit card but others will deliver elsewhere.

    AVS isn't entirely foolproof either. It only matches the numeric portions of an address. This isn't a problem in the US, where the property number and the zip code amounts to a pretty much unique address. In the UK, we use alphanumeric post codes - strip out the letters and its very long way from unique. There was a story recently suggesting that fraudsters were searching lists of compromised cardholders details to find addresses that would AVS match to an address they wanted to deliver the goods to.
    The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts.
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