The Czech National Bank (CNB) draws attention to fraudulent telephone calls. The callers impersonate the CNB and try to lure the client’s login details to his electronic banking and payment card details such as the card number, owner’s name, validity period or CVV code.
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“Please note that the CNB never contacts the public in this way and in no case requires anyone to install unauthenticated software, provide credit card details or bank account details,” the institution warns.
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In the so-called vishing attacks, fraudsters call from telephone numbers 244001, 2441022 and 244100111. The CNB recommends that people do not disclose their personal or other sensitive data to anyone. At the same time, it calls on the public not to respond to such calls and certainly not to provide sensitive information or funding.
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They may lose their money on fraudulent communications. “The CNB has even encountered cases where a caller on behalf of the CNB recommended downloading an account monitoring application that should warn him if there is any manipulation,” said CNB spokeswoman Denisa Všetíčková.
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They can imitate any telephone number, including the bank’s infoline.
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However, the allegations of fraudsters seem very plausible. The attacker often addresses the client by name and has, for example, information about his last withdrawal from an ATM. “They even use so-called telephone number spoofing, which means that they can imitate any telephone number, including the bank’s infoline,” warns Všetíčková.
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If a person encounters the described fraud, he should contact the Police of the Czech Republic and his bank. Police also advise people not to share their information in similar cases.
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Voice phishing means using your phone for phishing attacks. They are not as common as purely phishing ones, and that is why they are not so well known in society. However, the financial losses of victims are often very high.
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The attackers used manipulative techniques during the calls, which they are constantly improving. The Central Bank registered similar problems this summer.
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The fraudsters urged people to deposit cash in a bitcoin ATM allegedly because the customer’s bank account would be frozen due to CNB measures. The attackers also pretended to be CNB staff and told callers that someone at the bank had applied for a loan on their behalf.
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