The police said three specific
cases had been started in Gariahat, Tiljala and Beniapukur police stations. In
one case linked to a Canara Bank ATM at Golpark, the police suspect that a
cloned card had been used to withdraw the cash.
Asked how the cloned cards can be used since a confidential four-digit PIN had to be keyed in to finish the withdrawal, an officer speculated that a spy camera might have been used to record the hand movements, from which the PIN may have been deduced.
"It
appears that fraudsters may have installed a spy camera in the ATM that could
capture the hand movement as someone punches the PIN. However, all this is
subject to verification," the officer said.
Another
officer said a skimmer and a hidden camera could be installed only at ATM
kiosks that are unguarded. The
CCTV footage of the ATM counters where the complainants used their debit cards
will be scanned, sources said.
In
2011, the RBI had cautioned that the majority of cards issued by banks were
magnetic stripe cards and data stored on such cards are vulnerable to skimming
and cloning. Several banks are in advanced stages of replacing the old cards.
"There has been no breach of data from the bank's end. Somehow, sensitive data relating to the customer's cards were obtained. Police complaints have been filed by the account holders and they have also informed the bank. We are investigating this issue and our headquarters has been informed. At the moment, it is not possible to disclose a cumulative amount," said a city-based Canara Bank official.
The
official added that the customers' deposits are insured by Deposit Insurance
and Credit Guarantee Corporation and within two to three days, the bank hoped
to take action on the fraud.
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