Validating tam with odour interface in atm machines
The validation of on-line PIN occurs if the terminal in question is connected to the central database.
The PIN supplied by the customer is always compared with the recorded reference PIN in the financial institutions .
Credit card fraud can be done by inserting discreet skimming devices over the keypad or credit card reader .
The alternative way to credit card fraud is to identify the PIN directly with devices such as cameras concealed near the keypad.
As the number of ATM units increase, the machines are prone to hacker attacks, fraud, robberies and security breaches.
In the past, the ATM machines' main purpose was to deliver cash in the form of bank notes and to debit a corresponding bank account.
As an alternative, unskilled robbers threaten bank patrons with a weapon to loot their withdrawn money or account.
Main Article: ATM Fraud ATM vandals can either physically tamper with the ATM machine to obtain cash, or employ credit card skimming methods to acquire control of the user's credit card account.
However, ATM machines are becoming more complicated, and they serve numerous functions, thus becoming a high priority target to robbers and hackers.Modern ATM machines are implemented with high-security protection measures.