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Banks and Consumers

The Comprehensive Consumer Policy Scheme of the German Private Commercial Banks

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BANKS AND CONSUMERS<br />

3 Partners for secure banking<br />

Payments should be processed swiftly <strong>and</strong><br />

securely. A feature of internet technology<br />

is continuous innovation. The banks take<br />

this into account by adapting their systems<br />

to accommodate the latest advances in<br />

technology. This naturally includes upgrading<br />

authentication procedures. In addition to<br />

procedures facilitating customer mobility,<br />

such as indexed transaction numbers (iTANs)<br />

or the one-time transaction password (TAN)<br />

generator on the German Banking Industry<br />

Committee (GBIC) chip card, electronic<br />

signatures generated by the GBIC chip card<br />

can also be used in online banking. When<br />

an iTAN is used, the bank’s central computer<br />

asks the customer to enter a particular TAN<br />

from the list placed at his or her disposal so<br />

that no “attacker” will know which one has<br />

been requested. The mobile TAN (mTAN) is<br />

sent by SMS to the customer’s mobile phone<br />

shortly before the transaction is carried out.<br />

What is more, it is only valid for a short time.<br />

Combined with a card reader, a GBIC chip<br />

card is able to generate a “TAN on dem<strong>and</strong>”,<br />

making paper-based TAN lists superfluous.<br />

The GBIC card has a chip with state-of-theart<br />

security architecture known as SECCOS<br />

SECURITY TIPS FOR USING BANK CARDS AND PERSONAL IDENTIFICATION NUMBERS (PINS)<br />

To prevent unauthorised persons from<br />

accessing bank accounts <strong>and</strong> to avoid<br />

misuse <strong>and</strong> loss, the Association of German<br />

<strong>Banks</strong> has issued the following security tips<br />

for customers using bank cards <strong>and</strong> PINs<br />

at automated teller machines (ATMs) <strong>and</strong><br />

point of sale (POS) terminals:<br />

− Keep your PIN secret<br />

Do not write it down anywhere.<br />

Never tell anyone your PIN.<br />

− Watch out for anything suspicious<br />

If anything about the machine or its<br />

environment seems suspicious, cancel<br />

the transaction immediately.<br />

− Enter your PIN discreetly<br />

Do not let anyone look over your<br />

shoulder when using an ATM or POS<br />

−<br />

−<br />

−<br />

−<br />

−<br />

terminal.<br />

Keep your distance<br />

Keep a discreet distance from a person<br />

entering their PIN <strong>and</strong> dem<strong>and</strong> the<br />

same.<br />

Do not get distracted<br />

Do not accept “help” from anyone you<br />

do not know when using your bank<br />

card <strong>and</strong> PIN.<br />

Take care of your bank card<br />

Never give your bank card to anyone.<br />

Cancel lost cards immediately<br />

Be sure the number you need to cancel<br />

your card is always to h<strong>and</strong>.<br />

Check your bank balance regularly<br />

Check your account statements at<br />

regular, frequent intervals. Report any<br />

suspicious activity to your bank.<br />

28

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