With the arrival of the Double 11 shopping festival, online retailers are gearing up for big promotions. Among the various marketing tools, QR codes have become a popular and convenient method. However, many consumers may not realize that these seemingly harmless codes can also hide serious threats, such as malicious websites and hidden Trojans. These cyber threats can secretly siphon off funds from bank cards or even intercept phone calls. Recently, Mr. Wang encountered an unknown QR code while shopping online and soon found that 100 yuan had mysteriously disappeared from his account.
How do hackers manage to steal money through QR codes? Many users are confused: "If the QR code is linked to my payment app, how can criminals access my card details?" According to a technical expert from a Guangzhou-based company specializing in QR code technology, the QR code itself doesn't contain malware directly, but it can embed multiple URLs. When scanned, it may automatically load a webpage that downloads harmful software, giving hackers the chance to exploit the system.
Once a user scans a malicious QR code, their device could be infected with viruses or Trojans, allowing hackers to steal sensitive information like login credentials and banking details. These attacks can even disable SMS alerts about account changes and reset third-party payment passwords, making it difficult for users to detect the breach in time.
To stay safe, experts advise against scanning any QR codes that appear suspicious or unverified. It's best to use only official platforms and consider installing a QR code scanner that checks for potential threats. Additionally, if you must link your mobile phone to a bank card for convenience, it’s wise to keep only a small amount of money in the card to minimize losses in case of a security breach.
As online shopping continues to grow, being cautious with QR codes is more important than ever. Always think twice before scanning—your financial security could depend on it.
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