Recently, even though some mobile phone subscribers do not do anything with the sim card (the subscriber identification card), they still lose their number, lose the right to manage the account, then have money in the account. Bank.
Suddenly lost my sim, lost money
Send a petition to Ho Chi Minh City Women’s Newspaper, Ms. TBC – in Thu Dau Mot city, Binh Duong province – said that she had just been stolen by an object, appropriated more than 58 million dong in credit card. Ms. C. said, on March 2, she saw the phone displaying a message “unable to call”. The next day, she went to VNPT Binh Duong Business Center to check and rebuild a new sim, but the staff said that the sim card was not damaged, it was still working in two directions; “Cannot call” may be caused by phone malfunction. 
A fake message on the network operator calling for users to upgrade to a 4G sim. Phone subscribers need to be very wary of this kind of message – Photo: Provided by Competition and Consumer Protection Department On March 4, she asked to renew a new sim and a new one to work properly (listen, call). On March 12, when she accidentally read an article about the theft of money from her credit card, she immediately logged into her Fe Credit credit card account to check, and discovered that the money in the account was completely withdrawn in the form of purchase payment. Suspecting that her sim information was leaked during the sim remake process, Ms. H. came to complain at VNPT Binh Duong Business Center, just learned on March 2, there was a transaction to replace her sim card in Ho Chi Minh City. “I live in Binh Duong, have never made a transaction to replace my sim card in Ho Chi Minh City. VNPT Binh Duong Business Center also confirmed to only perform one SIM replacement transaction in Binh Duong. Thus, there is a fraudster who falsified my papers to perform a sim replacement transaction in Ho Chi Minh City and then appropriated property “- Ms. C. said. Not long ago, Dang Thanh Hai – in Ho Chi Minh City, the owner of a Viettel subscriber – suddenly blocked his mobile phone number, then was withdrawn 30 million dong from his bank account. Mr. Vu Minh Nhat – in Hanoi, the owner of a Mobifone subscriber – also had his sim stolen and then hacked into his bank account, losing 74.8 million dong via online payment. In the above two cases, the fraudster used a notarized copy of the identity card (ID card), went to the phone store (also the agent of the network operator) to register the procedure. In the case of Mr. Hai, the employee does not compare the copy of ID card with the original ID card; In the case of Nhat, the staff did not see the original ID card, nor did they require the latest contacts to verify. Recently, Thanh Hoa City Police, Thanh Hoa Province prosecuted seven subjects for counterfeiting ID cards according to customer information and then pasted their photos, to transaction points of network operators such as Viettel, Vinaphone to report the loss of their sim cards. suggest to redo the sim with the old number After being granted phone numbers from the carriers, the subjects used fake IDs and stolen phone numbers to make unsecured loan contracts from Fe Credit with loans from 20-70 million VND, appropriating a total of 500 million dong. The network operator can not be indifferent In the case of Ms. TBC, the representative of Vinaphone’s mobile phone network admitted, Vinaphone staff made a mistake in the process. Rather, in order to be reissued (in case of no sim), the subscriber must present his ID card, fill out an application form to reissue the sim, provide five outgoing and five dialed phone numbers. come. But the transaction staff in Ho Chi Minh City did not ask the replacement sim (the fraudster) to present ID card, just provide five phone numbers to call out and call. As a result, the fraudster easily obtained the sim of Mrs. C. and then appropriated more than 58 million dong in the credit card. Why does the fraudster know the five dialed and dialed numbers of the sim owner? According to Mr. Vo Do Thang – Director of Athens International Security and Network Management Training Center – the crook can use many of his own sims to phone, send text messages to the subscriber owner to call back and easily get the list. these calls. The situation of sim theft is happening more and more, but the network operators have not changed the sim re-issuance process as well as require transaction staff to be more cautious in re-issuing the sim, in order to ensure safety for customers. According to Mr. Vo Do Thang, the easy re-issuance of sim cards has created a gap for the fraudster who steals the sim. Employees often check for passport or not check, while counterfeiting ID is not difficult; Furthermore, they also have no inspection skills so it is difficult to detect tampering. “If the network operator takes one more step, such as issuing a password when issuing the sim for the first time, there is a secret question that only the subscriber knows, using artificial intelligence to detect the sim owner’s face … Having forged papers, it is not possible to steal the sim card ”- Mr. Vo Do Thang proposed. The representative of Vinaphone added that this company had collected information related to the theft of Ms. C.’s sim and transferred it to the police station to assist the victim. According to FeCredit Finance Company, because Mrs. C. was not at fault in this case, she is not responsible for the lost credit card amount. Why do I lose money in credit card when I lose my sim card? Most of the victims in the sim lost cases are stolen money by fraudsters by making online payments. Three factors are required to pay for online purchases: First, a mobile phone number – the credit card holder must register this number with the bank to authenticate transactions and receive bank notices. Second is the card number (the serial number printed on the front of the credit card). Third is the OTP authentication code (one-time password) sent via registered phone number with the bank. According to Mr. Vo Do Thang, the victim’s credit card number has been stolen by the fraud before, the sim theft is just the last step to steal money. After the sim is stolen, the fraudster will take the victim’s credit card number to pay online, then use the sim to receive the OTP code. Therefore, not everyone who loses their sim card will lose money in their credit card, in their bank account, only when they have revealed their credit card or account information before that the fraudster can steal the money. The victim’s credit card information may be exposed during previous online transactions by entering fraudulent websites, being infected with malicious code on the phone to steal card information or possibly due to The credit institution does not guarantee security. According to Mr. Vo Do Thang, criminals just need to steal credit card information, steal sim cards, and get OTP codes to steal money in the victim’s account shows that it is a great risk. Online payment processes of most credit institutions are still lax. “In this situation, the most important card users need to closely protect their card and account information, to avoid providing it to strangers. Absolutely do not visit strange websites or open attachments that are sent to unknown origin to avoid being installed with malicious code. Should be equipped with anti-virus software, anti-software with self-copy function (Trojan), keyboard manipulation monitoring programs (Keylogger), equipped with firewall protection … (According to Women HCMC)
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