사진 확대 Overnight from the 11th to the 12th, the refrigeration and freezer equipment at 700 of France’s approximately 10,000 supermarkets was hit by a cyberattack. This caused problems with functions including temperature control, and the temperature inside refrigerators rose as high as 50 degrees, resulting in material damage. The image is for illustrative purposes and was created using artificial intelligence (AI). [Image captured from ChatGPT] As more devices connect to the internet in homes and elsewhere, the risk of hacking targeting Internet of Things (IoT) devices is also growing. As seen in an overseas case where tampering with refrigeration equipment led to food being discarded at hundreds of supermarkets, vulnerable devices can affect daily life as well as expose personal information.According to Le Monde and other French media on the 16th, overnight from the 11th to the 12th, the refrigeration and freezer equipment at 700 of France’s approximately 10,000 supermarkets was hit by a cyberattack. This reportedly caused problems with functions including temperature control, and the temperature inside refrigerators rose as high as 50 degrees, resulting in material damage. The case shows how vulnerabilities in internet-connected equipment can lead to actual harm.A variety of devices connect to the internet not only at businesses but also in homes, including smart TVs, internet routers, home cameras, robot vacuums and door locks. If a device’s password is leaked or it is hacked, outsiders may be able to gain access. This means information stored on the device could be leaked externally. Products equipped with cameras or microphones are no exception.This is not just something that happens overseas. In 2021, a wall-pad hacking incident occurred at an apartment complex in South Korea. Footage filmed inside the apartments was leaked, raising concerns about invasions of privacy. A wall pad is a device that controls lighting, heating and access, but in this incident it served as a security vulnerability that could be exploited to invade privacy or target the residential environment as a whole. 사진 확대 As more devices connect to the internet in homes and elsewhere, the risk of hacking targeting Internet of Things (IoT) devices is also growing. The image is for illustrative purposes and was created using artificial intelligence (AI). [Image captured from ChatGPT] The problem is that it is difficult for consumers to regularly inspect every IoT device themselves. When buying a product, they tend to focus on features and price, and it is uncommon for them to check how long security updates will be provided. If they continue using a device after the manufacturer stops providing updates, or leave its default password unchanged, vulnerabilities may go unaddressed.To improve the security of IoT devices at home, it is important to start by checking the settings on products used regularly. It is advisable to change the default passwords on smart TVs, home cameras and robot vacuums, and install software updates provided by each manufacturer. The internet router that connects multiple devices should also have its administrator account password changed and its firmware kept up to date.It is also useful to review a device’s functions and the permissions it has been granted. If there is no need to control devices at home from outside, turn off remote access. For products closely tied to privacy, such as home cameras, check the camera and microphone access permissions and video-storage settings in the application (app). Disabling unused functions can reduce the ways outsiders can gain access.When buying a new product, it is also worth checking how long security updates will be supported. Products whose support has ended may not receive security fixes even if new vulnerabilities are discovered. It is safer to check whether devices already in use are still supported with updates and consider replacing older products that are difficult to keep secure.
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