What are the anti-theft functions of mobile phones?

Nowadays, mobile phones are no longer just communication tools, but electronic products that integrate photography, Internet access, electronic payment and other functions. Precisely because mobile phones bring a lot of convenience to life, in order to prevent loss, more and more mobile phones now support anti-theft functions (the function of retrieving mobile phones). But how practical are these features? Do you really know how to use it?

1. Have you turned on the anti-theft function of your mobile phone?

Mobile phone anti-theft is a skill you don’t usually think of, but you desperately want to have after losing your phone. Generally speaking, there are two types of mobile phone anti-theft, one is to install hardware anti-theft, and the other is software anti-theft. Hardware anti-theft requires the installation of special equipment. When the distance between the mobile phone and the special equipment exceeds a certain range, an alarm will be automatically triggered. Software anti-theft uses the software system built into the mobile phone to realize functions such as tracking the location of the mobile phone, triggering alarms, notifying card replacement, and deleting information.

Generally speaking, the anti-theft functions of mobile phones that we often use include:

Lock the phone remotely, and others cannot unlock it even if they get the phone;

Trigger the phone Alarm, let the phone play a voice prompt or alarm sound if it is stolen;

Mobile phone location tracking, by turning on the GPS function, remotely obtain the location information of the phone and retain electronic evidence;

< p>Clear key information. If it is confirmed that the phone cannot be found, you can delete the information on the phone yourself to avoid losses caused by information leakage.

Now check whether the anti-theft function of your mobile phone is turned on?

2. What is the difference in anti-theft protection between Apple and Android phones?

The principle of the anti-theft function of mobile phones is to remotely control the mobile phone to obtain the geographical location of the mobile phone after it is lost, trigger the mobile phone to play preset prompts, control the shooting of the mobile phone camera, and delete the sensitive information of the mobile phone. Apple is a closed ecosystem, and its anti-theft functions are proprietary to Apple, such as "find my iPhone", which can remotely delete information, etc. Android is an open system platform, and various software developers can develop corresponding anti-theft software based on anti-theft principles.

3. How useful is the anti-theft function of mobile phones?

Can using the anti-theft function of mobile phones definitely prevent the loss of mobile phones? The answer is naturally no. The practicality of mobile phone anti-theft needs to be tested in a specific environment. If you forget the location of your phone, you can completely retrieve it through the above-mentioned anti-theft function. However, the working condition of the software anti-theft function is that the phone must have power. If the phone has no power, all efforts will be in vain. Location tracking requires a GPS signal. If you are in a place with poor signal, this function cannot be used.

If we compare the practicality of the anti-theft function of mobile phones with professional thieves, then the security awareness of mobile phone users is greater than the role of the anti-theft function. After all, the anti-theft function of mobile phones may be weak in the face of professional thieves.

4. How to minimize the loss if your mobile phone is stolen?

Nowadays, most people can accept the risk of their mobile phones being stolen, but the pictures and videos saved in the mobile phones and the associated financial apps such as Alipay and online banking can infinitely expand the losses. Therefore, after your mobile phone is stolen, you must immediately report the loss and associate it with phone banking, Alipay account, WeChat account, etc. If your ID card and bank card are lost at the same time as your mobile phone, your bank account must be frozen urgently.

I would like to remind everyone that after installing anti-theft software, you must also increase your anti-theft awareness! Theft of mobile phone information usually comes from Trojan software installed on the phone itself and an unsecured WiFi connection.

Do not install apps from unknown sources on your smartphone, do not click on random links to download, do not connect to unofficial WiFi in unfamiliar environments, and say important things several times!

(Author: Yang Dequan, assistant researcher at the Network Center of Beijing Institute of Technology, original work, please indicate the source for reprinting is the WeChat public account of Knowledge is Power)