It can take photos, position and make phone calls... In recent years, children's smart watches have gained the favor of more and more underage students. During the summer vacation, the sales of children's smart watches of major brands entered the peak again. However, children's smart watches, a fast-growing market, are frequently confused. Information disclosure and financial risks caused by secret free payment are potential threats to the safety of minors. Children's smart watches are not just watches. "Touch the watch and add a friend!" Today, this sentence has become a greeting for many children when they are socializing. In the past, children's watches could only provide some simple functions such as positioning and emergency communication. Now, after years of iterative upgrading, children's smart watches are novel and fashionable in style, and their hardware configuration and functions are more and more powerful. The children's smart watch is no longer like a traditional watch, but more like a "smart phone" that is worn on the wrist and integrates multiple functions such as positioning, calling, social networking, entertainment, learning, shopping, photographing and question searching. Moreover, due to the appearance of its watch, wearing children's smart watches can often circumvent the regulation that "primary and middle school students are not allowed to bring their mobile phones into the campus". Therefore, children's smart watches are highly praised by primary and secondary school students. Behind the vigorous development of the children's smart watch market, chaos is also breeding. The reporter's investigation found that there are hundreds of applications (APPs) that can be downloaded in some children's watches, including game apps. Downloading these various apps can easily lead children to indulge in them, which not only delays learning, but also affects their eyesight. Among them, once the mobile phone number is bound to some apps, the secret free payment is opened synchronously. Without the parents' knowledge, children can consume at will, including shopping, opening platform VIP services, and buying game skins, which greatly affect the family's financial security. Public statistics show that the number of children under 14 years old in China has remained at about 250 million in the past 10 years. These people are potential users of children's smart watches. With the opening of the "three child policy", the number of children under 14 years old may further increase, and the potential users of children's smart watches will further increase. According to statistics of relevant institutions, children's watches in China have maintained a rapid growth in recent years. In 2020, its sales volume has reached 29.9 million pieces. Information leakage greatly endangers user safety this year, CCTV's "March 15" evening party exposed many information security vulnerabilities of children's watches. After installation, some apps in children's watches can obtain sensitive permissions such as location, address book, microphone and camera without user authorization, so as to easily obtain personal privacy information such as children's location, face image and recording. According to the report, the "March 15" information security laboratory conducted a special test on a children's smart watch with a sales record of "100000 +" on the e-commerce platform. The tester disguised the downloaded QR code of a malicious program as a lottery game. After children scanned the code through this watch, the malicious program easily entered the watch. Engineers can realize remote control of this watch, collect location information, monitor call records and peep
Edit：Li Jialang Responsible editor：Mu Mu
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