What do you talk about and what do you push? Who is "monitoring" your phone?

I mentioned two brands casually.

When you look down and refresh, the mobile ads will match

Meet up with friends and talk about hotpot

The next second, the app is full of recommendations for nearby hot pot restaurants

Even if you want to change a pair of slippers, the APP can accurately locate you

It seems like a prophet who will push it to you in time

Have you had this experience?

It seems like every move is under surveillance?

Today, I will reveal the secrets to you.

How Cell Phones Eavesdrop on Us

01

Call the phone microphone permission

Nowadays, when we download and use mobile phone apps, we often habitually grant them mobile phone permissions as required, sometimes including the mobile phone microphone. This gives some apps an opportunity to take advantage of us, and when we use these apps, there is a risk of being "eavesdropped" through the microphone.

With permission to use the microphone, mobile phone apps may be able to hear our conversations and even the sounds around the phone without our knowledge.

When the APP is running stably in the foreground, it can even pick up the sound steadily, achieving perfect "eavesdropping" (Switching the APP to the background does not mean that recording is not possible, but after a period of time, the system will often restrict the background APP from recording).

When the conditions for "listening" are met, some APPs will secretly upload the collected information while connected to the Internet, analyze the content, and then accurately deliver advertisements to us.

02

Big Data Analysis

In our daily life, when we use our mobile phones, we inevitably leave some traces, such as geographic location, browser search history, purchase history, and other information. Big data will collect and organize this information, and then use algorithms to analyze the image to determine our potential needs, and then select matching advertisements. When the push notifications are relatively accurate, we will wonder if we are being "eavesdropped" by the phone; on the contrary, when the push notifications are inaccurate, we will naturally not have such associations.

It can be seen from this that

Cell phones can indeed eavesdrop on us

Get our personal information

So how do we protect our information security?

The editor has some tips for you!

1. Grant the APP mobile phone usage permissions based on the nature of the APP. Do not over-authorize the APP, especially the camera, microphone, call, album and other permissions should be handled with caution.

2. Try not to click on URL links from unknown sources, and don’t download apps from unknown sources on the web. It is recommended to download them from the official app store.

3. Do not scan QR codes with unknown content at will, and try not to fill out questionnaires online at will.

4. Set different passwords for different APPs, especially financial APPs, which require more attention to account and password protection.

5. It is recommended to install mobile phone security protection software and conduct security checks on your mobile phone regularly.

Source: China Telecom, Xinhua News Agency

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