Even if the location information is turned off in the smartphone settings, it has been pointed out that the location information is leaked to the telecommunications carrier
If you provide location information on your smartphone, you can use services that use location information, such as maps and weather around your current location, to improve the convenience of apps and services. Knowing it may make it harder to protect your privacy. Therefore, it is possible to stop sharing location information with other applications and services by using the 'Turn off location information' function, but location information is transparent to smartphone carriers. has been pointed out.
The “Location Off” switch on your phone is a lie. – Gabriel Sieben
When conducting political activities such as demonstrations or visiting sensitive clients, it is recommended to turn off location services in your smartphone settings. By turning off the location information service, you can protect yourself from privacy concerns, but it has been pointed out that turning off the location information service may not completely deter the acquisition of location information.
In general, people make a contract with a telecommunications carrier to use the network and use a smartphone. When a contract is made with a telecommunications carrier and the network is used, messages and data will be sent back and forth between the user's smartphone and the communication base. By guessing the time, it is possible to determine the user's current location.
Since the data transfer speed between the user's smartphone and the communication base is constant according to the distance, it is possible to set the radius of the distance to the user centered on the communication base. Also, during data communication, telecommunications carriers can grasp the user's position fairly accurately by
However, you cannot stop your carrier from determining your location. Programmer Gabriel Zieben points out, 'Privacy disappears the moment your smartphone communicates with the carrier's radio tower.'
Also, in the United States, it is possible to contact fire departments and emergency services even from terminals that are SIM-free and do not have a communication contract. For this reason, please consider that we regularly communicate with other carriers' towers.'
Mr. Sieben said, ``If you are doing highly confidential activities, you should leave your
According to Hacker News, 'We all know that even if you turn off location services, you can still share your location with installed applications, and your carrier can also determine your location with your cell phone service. It's illegal. It's a well-known fact that if it's important not to have your location tracked, such as when participating in protests, don't bring your phone in the first place.'
In response to this opinion, ``I think most people with technical literacy who gather on Hacker News know that there is a function to turn off location information. Some people may not know the switch button for location information.These people also need to protect their personal information.'
In addition, it is pointed out to telecommunications carriers that ``smartphones must clearly indicate to users the content, location, and timing of the data to be transmitted, without exception.''
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