Core Viewpoint - A new type of fraud utilizing NFC technology has emerged, allowing criminals to copy bank card information without requiring a password, leading to unauthorized withdrawals and information theft [1][2]. Group 1: NFC Technology and Fraud Mechanism - NFC (Near Field Communication) is a short-range wireless communication technology that allows data exchange within 10 centimeters, commonly used in mobile payments and transportation [2]. - Criminals exploit the perceived safety of NFC by tricking victims into downloading malicious apps or using screen-sharing software to enable NFC functionality, allowing them to read and bind bank card information to fraudulent payment tools [2][4]. Group 2: Risks of Personal Information Leakage - The NFC fraud not only results in financial loss but also poses significant risks of personal information leakage, as sensitive data such as card numbers and transaction records can be accessed by malicious apps during the fraud process [5]. - Victims may unknowingly grant extensive permissions to malicious apps, allowing access to contacts, messages, and location data, which can lead to further identity theft and fraud [5]. Group 3: Prevention Measures - Users are advised to follow the "three no" principles: do not trust unknown calls regarding refunds or compensations, do not click on suspicious links or download questionable apps, and do not enable screen-sharing during payment processes [6]. - Additional preventive steps include regularly checking app permissions, using trusted payment channels, and being cautious with personal information sharing [7][9].

Core Viewpoint - The NFC technology, while enhancing convenience in payments, travel, and access control, poses significant security risks if not properly managed, leading to potential fraud and data breaches [1][4]. Group 1: NFC Technology and Its Risks - NFC (Near Field Communication) enables rapid data transfer between devices within a 10-centimeter range, which can be exploited by criminals [3][5]. - Recent reports indicate a rise in scams utilizing NFC technology, where users unknowingly have their bank card information remotely accessed, resulting in unauthorized transactions through small, contactless payments [1][4]. Group 2: Scam Techniques - Scammers often impersonate customer service representatives, using tactics such as claiming flight cancellations or unauthorized membership charges to gain victims' trust [3][5]. - Victims are then manipulated into downloading unofficial applications, enabling screen sharing, and bringing their bank cards close to NFC-enabled devices, allowing for quick data theft [3][5]. Group 3: Consequences of NFC Fraud - Such fraudulent activities not only lead to financial losses but also risk the collection of personal data, including travel records and spending habits, which can be used for more targeted scams in the future [3][5]. Group 4: Prevention Measures - To mitigate these risks, it is advised to adhere to the "three no" principles: do not trust unknown refund or compensation calls, do not install unverified applications, and do not enable screen sharing easily [4][5]. - Users are encouraged to disable the NFC function when not in use and to refrain from using small contactless payment features. Immediate action, such as freezing accounts and reporting suspicious transactions, is recommended if anomalies are detected [4][5].

Core Insights - The rise of NFC technology has led to increased convenience in daily transactions but has also opened the door to new types of fraud, particularly through the exploitation of NFC capabilities for unauthorized access to bank accounts and personal information [1][2]. Group 1: NFC Fraud Mechanisms - NFC (Near Field Communication) technology allows devices to exchange data within a short range of 10 centimeters, which has led to a false sense of security among users [2]. - Common fraud schemes often involve impersonating customer service representatives to gain the victim's trust, leading them to download malicious apps or share their screens, ultimately enabling NFC functionality to read bank card information [2][4]. - Fraudsters have become highly specialized, using personal information obtained from other sources to enhance their credibility and employing small, password-free payment features to facilitate unauthorized transactions [4]. Group 2: Information Leakage Risks - The risk of personal information leakage is a significant concern, as NFC fraud often indicates that victims' personal data has already been compromised and is circulating within illicit networks [5][6]. - Fraudsters can accurately access victims' flight information, phone numbers, and spending records, allowing them to create detailed personal profiles that make subsequent scams more effective [6]. - During the fraud process, victims may unknowingly authorize malicious applications to access sensitive information such as card numbers and transaction records, leading to potential identity theft [8]. Group 3: Prevention Strategies - To mitigate risks, individuals are advised to enhance their awareness by adhering to the "three no" principles: do not trust unsolicited calls regarding refunds or compensation, do not click on suspicious links or download questionable apps, and do not enable screen sharing during payment processes [9]. - It is recommended to turn off NFC functionality when not in use, utilize trusted payment channels, and implement multi-factor authentication for payment accounts [9]. - Minimizing personal information exposure is crucial, including being cautious with online surveys and gift promotions, properly disposing of documents containing personal data, and avoiding public Wi-Fi for sensitive transactions [9].