Anti-email fraud guide: How to accurately and effectively identify bank card rental and sales behavior through technical means?

Table of contents

What are the bank cards being rented and sold used for?

Legal consequences of renting and selling bank cards by individuals

How to quickly identify bank cards that are rented and sold through technical means

Telecom network fraud has become a common and extremely harmful crime. Among them, bank cards and phone cards are the most commonly used tools by fraudsters. These cards are not only used for online and offline fraudulent activities, but are also rented or purchased by criminals through various means. Public security organs across the country have launched a large-scale crackdown, continue to carry out in-depth "card breaking" operations, and severely crack down on the renting and selling of "two cards".

Illegal renting and selling is not a simple phenomenon. What directly led to this was the production of a large number of bank cards and phone cards with "real names but false names". What is even more serious is that many individuals who do not know the truth not only sacrifice their bank cards for trafficking, but also receive legal punishment or credit punishment.


What are the bank cards being rented and sold used for?

Criminals who obtain bank cards for rent and sale are likely to use them for illegal activities such as fraud, money laundering, tax evasion, and falsely opening stock accounts. In the end, it will be traced back to the card owner himself, resulting in damage to his personal credit and even legal liability.

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used to commit fraud. Lao Liu applied for an Industrial and Commercial Bank of China card four years ago. After several bank system upgrades and card replacements, the bank card was not used frequently and was put aside. After being introduced by his neighbor, Lao Liu joined a WeChat group called "Xiao Wang Kai Ka". Through the group friends, he quickly found a buyer for the bank card. It was later used by others to commit telecommunications network fraud. After the incident, Lao Liu was criminally detained by the public security organs on suspicion of assisting information network criminal activities.

Used by gangs to launder money. In order to make some quick money, Xiao Li, who was in a tight situation, rented out a "complete set" of his ID card, bank card, online banking U-shield, and mobile phone card. Criminals activate mobile banking for bank card packages and use it for money laundering. The victim transferred the money into the account designated by the scammer, that is, Xiao Zhao's bank card, and then it was quickly divided into multiple small sums and transferred to several bank cards. The stolen money was then taken away by gang members located in various places. A few months later, the police found Xiao Li, and he learned that his bank card was involved in multiple telecommunications fraud cases. What awaits Xiao Li will be legal punishment.

used to evade taxes. Xiao Zhou heard that bank cards could also be sold for money, so he sold his idle bank cards. After the other party acquired Xiao Zhou's bank card, he used it to evade taxes. Money under various names such as "salaries" and "labor fees" is put into the bank card and then quickly withdrawn, thereby achieving the purpose of tax evasion by criminals. As Xiao Zhou's "personal annual income" reaches a "certain standard", he needs to file his own tax return with the tax bureau.

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Legal consequences of renting and selling bank cards by individuals

Renting and selling personal bank cards will result in a series of penalties.

Credit penalties. The People's Bank of China will transfer relevant information to the basic financial credit database, and record violations of laws and regulations in personal credit reports, which will affect the loan and credit card applications of relevant personnel within a certain period of time.

Restrict business. The non-counter business of bank accounts of relevant entities and individuals and all businesses of payment accounts will be suspended within 5 years. That is to say, relevant units and individuals cannot use bank cards to deposit and withdraw money at ATMs within 5 years, cannot use online banking and mobile banking transfers, cannot use credit cards to make purchases, cannot make quick payments through shopping websites, cannot register an Alipay account, and cannot use Alipay or WeChat Send and receive red envelopes and scan QR codes to pay.

Restricted accounts. Banks and payment institutions are not allowed to open new accounts for relevant entities and individuals within 5 years. For those who apply to open an account after the disciplinary period has expired, banks and payment institutions will intensify their review efforts.

In addition to the above-mentioned punishments, they may also be suspected of crimes of aiding information network criminal activities, obstructing credit card management, buying and selling state agency documents, covering up and concealing criminal proceeds, or even fraud, which will bring jail time to individuals.

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Paragraph 1 of Article 31 of the Anti-Telecommunications and Internet Fraud Law of the People's Republic of China stipulates : No unit or individual may illegally buy, sell, rent, or lend phone cards, Internet of Things cards, telecommunications lines, SMS ports, bank accounts, payment accounts, Internet Accounts, etc., shall not provide real-name verification assistance; shall not pretend to be another person's identity or create a fictitious agency relationship to open the above-mentioned cards, accounts, account numbers, etc.

Paragraph 3 of Article 28 of the "Bank Card Business Management Measures" stipulates that bank cards and their accounts can only be used by the cardholder approved by the card-issuing bank, and may not be rented or lent.

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How to quickly identify bank cards that are rented and sold through technical means?

First, strengthen customer identity authentication and authorization management. By adopting multi-factor authentication, advanced identity verification technology and other measures, we improve account security, increase the reliability of identity verification, and prevent accounts from being stolen or abused by criminals. At the same time, customer information is regularly updated to ensure the accuracy of the information and a complete customer profile is established to ensure that only legitimate customers can access and use the account.

Secondly, effectively identify abnormal account behavior. Based on Dingxiang Defense Cloud and Dingxiang Dinsight risk control engine, through big data matching and tracking, multi-dimensional and in-depth analysis is performed to accurately identify abnormal operations and discover abnormal behaviors in leasing and selling.

According to expert analysis from Dingxiang Defense Cloud Business Security Intelligence Center, the main risk characteristics of bank cards being rented and sold are as follows:

Abnormal account opening: large batches of accounts opened in different places, concentrated account opening in a short period of time.

Device anomaly: There are obvious registration & login operations on the device for a short period of time or sensitive time, and there are multiple account logins on a single device.

Transaction anomalies: Multiple transfers in batches, multiple large-amount transfers, multiple inter-bank transfers to accounts with different names, and transaction accounts with the same geographical location can be analyzed based on the frequency of the behavior.

Financial institutions need to formulate and implement monitoring rules based on the risk control system and pay attention to specific types of transaction behaviors, such as large-value transactions, frequent fund transfers, etc. This kind of system can effectively monitor the characteristics of renting and lending bank cards, such as a large number of account openings in different places, concentrated account openings in a short period of time, etc. When an account or transaction reaches a set abnormal threshold, the risk control system can issue an alarm in a timely manner.

Also, dig into hidden rental and sales practices. In order to circumvent the audit and anti-fraud mechanisms of financial institutions, criminals will use various technical means, thereby making it more difficult to identify abnormal behaviors. In order to explore the potential rental and sales risks of bank cards, you can use the Xintell intelligent model platform to mine hidden and complex rental and lending behaviors.

By collecting a large amount of normal transaction sample data and training it using a supervised learning algorithm, a model is built to learn the characteristics of normal transactions. Classification algorithms in supervised learning methods, such as support vector machines, can be used to train models and learn normal transaction patterns to determine whether new transactions are abnormal. Combined with the rules engine, it can provide real-time warnings for obviously abnormal transactions, while the machine learning model is biased towards detecting hidden abnormal patterns.

This model can give the abnormal probability of each transaction based on the actual new transactions. For transactions that are predicted to have a high probability of being abnormal, manual review can be performed to determine whether they are fraudulent transactions. Then, manually confirmed fraudulent transaction samples are fed back to the model, allowing the model to continuously learn and optimize on new samples. In addition, retraining the model regularly with new data can make it better at detecting new fraudulent transaction patterns. In short, machine learning and data analysis technology are used to identify and analyze transactions that are inconsistent with normal behavior patterns, thereby discovering hidden abnormal rental and lending behaviors.

In addition to the measures mentioned above, regular internal and external compliance reviews are essential to ensure that banking operations comply with statutory and regulatory requirements. This includes conducting in-depth investigations of possible issues and establishing a compliance review system. By using anti-fraud system monitoring and artificial intelligence technology screening, combined with manual review, fraud identification capabilities can be effectively improved and banks' compliance and risk management costs can be reduced.

Through the above series of means, banks can better comply with relevant laws and regulatory requirements. Improving fraud identification capabilities can reduce the impact of fraud on banks and customers, protect fund security, and improve customer experience.

Dingxiang Company has provided services to more than 100 important financial institutions such as Bank of China, Bank of Communications, China UnionPay, Minsheng Bank, Huaxia Bank, Wing Fung Bank, Risheng Bank, Starlight Bank, Wing Lung Bank, Far East Bank, Yuanta Bank, and Kaohsiung Bank. Provides a range of professional anti-fraud services. Enhance the risk control capabilities of financial institutions, improve customer satisfaction, and promote the smooth progress of digital transformation.

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Origin blog.csdn.net/dingxiangtech/article/details/134556005
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