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Home - Anti-Virus Software and Internet Security - 3 ways to check if your phone number is among the 734,000 Taiwanese users whose personal information was leaked on Facebook

3 ways to check if your phone number is among the 734,000 Taiwanese users whose personal information was leaked on Facebook

Rocky by Rocky
April 7, 2021 - Updated on August 4, 2026
in Anti-Virus Software and Internet Security

A few days ago, Facebook was exposed to the leak of 530 million global user data., among which the number of Taiwanese users exceeds 700,000, which can be said to make many users very worried. If you are worried about whether you are the one who suffered this time, this article will tell you 3 ways to check. With one click, you can find out whether your phone number has been leaked due to this incident. There are domestic and foreign websites.

brett-jordan-tWX_ho-328k-unsplash

In this Facebook incident, user information was leaked including: “phone number, Facebook ID, full name, location, birthday, personal profile, and some even emails.” If you fill in real information on Facebook, there is a danger that unscrupulous people may use it to fake your identity and commit some crimes.

Of the 530 million data leaks, Taiwan accounted for 734,807, Hong Kong accounted for 2,937,841, and China accounted for 670,334.

If you want to check whether your information is one of the victims this time, you can check the following 3 websites.

3 ways to check whether your phone number and personal information have been leaked by FB

1. Leaked.Website

A website specially created for this FB data leakage. You can query it by entering your phone number. It can be used in Taiwan and Hong Kong, but I am not sure about other countries. In addition, the developer emphasizes that all data has been de-identified, and mobile phone numbers will not be transmitted, read, or stored during the comparison process, so please feel free to use it.

  • Click here to go

Enter your mobile phone number and click below to submit for comparison:
Cropro-2021-04-07-15-36-28

Then the result will be told to you above:
Cropro-2021-04-07-15-36-55

2. have i been pwned?

Just like the previous one, this website is specially made for this incident. It seems that it can only query Taiwan phone numbers. Remember to change the leading 0 to 886 when entering it, such as: 0900111222, please change it to 886900111222.

  • Click here to go

After querying, you will need to wait 10 seconds before the results are displayed:
Cropro-2021-04-07-15-38-03

If there is no leakage, congratulations will be displayed! Your mobile phone number is not in the Facebook leaked data:
Cropro-2021-04-07-15-40-34

3. ‘;–have i been pwned?

‘;–have i been pwned?’ is a fairly old data leakage history query website. It has collected data on data leakage from hundreds of websites, which means that in addition to this Facebook incident, you can also check whether your account or phone number has been leaked by other websites.

  • Click here to go

After entering your phone number or email, press pwned? on the right:
Cropro-2021-04-07-15-43-00

If it has not been leaked before, it will display Good news – no pwnage found! :
Cropro-2021-04-07-15-43-58

If it has been leaked, Oh no – pwned will be displayed, and you will also be told which website incidents are below:
Cropro-2021-04-07-15-44-25

Facebook新功能「選擇公開貼文上留言的對象」 能為公開貼文限制對象留言

Source: KOCPC Chinese

Tags: FacebookFB

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We welcome partnership inquiries and product review opportunities from smartphone manufacturers, iPhone accessory brands, and app developers.koc kocpc.com.tw|Privacy Policy |Hosting & Maintenance: Fast Line Taiwan, A-Chang Digital Technology