Everything about Vishing totally explained
Vishing is the criminal practice of using
social engineering and
Voice over IP (VoIP) to gain access to private personal and financial information from the public for the purpose of financial reward. The term is a combination of "voice" and
phishing. Vishing exploits the public's trust in landline telephone services, which have traditionally terminated in physical locations which are known to the telephone company, and associated with a bill-payer. The victim is often unaware that VoIP allows for
caller ID spoofing, inexpensive, complex automated systems and anonymity for the bill-payer. Vishing is typically used to steal credit card numbers or other information used in
identity theft schemes from individuals.
Vishing is very hard for legal authorities to monitor or trace. To protect themselves, consumers are advised to be highly suspicious when receiving messages directing them to call and provide credit card or bank numbers. Rather than provide any information, the consumer is advised to contact their bank or credit card company directly to verify the validity of the message.
Example
- The criminal configures either a war dialer to call phone numbers in a given region or accesses a legitimate voice messaging company with a list of phone numbers stolen from a financial institution.
- When the victim answers the call, an automated recording, often generated with a text to speech synthesizer, is played to alert the consumer that their credit card has had fraudulent activity or that their bank account has had unusual activity. The message instructs the consumer to call the following phone number immediately. The same phone number is often shown in the spoofed caller ID and given the same name as the financial company they're pretending to represent.
- When the victim calls the number, it's answered by automated instructions to enter their credit card number or bank account number on the key pad.
- Once the consumer enters their credit card number or bank account number, the visher has the information necessary to make fraudulent use of the card or to access the account.
- The call is often used to harvest additional details such as security PIN, expiration date, date of birth, etc.
(In a common variation, an email "phish" is sent instead of war-dialing - the victim is instructed to call the following phone number immediately and credit card or bank account information is gathered)
Further Information
Get more info on 'Vishing'.
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