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Should the US ban TikTok? Can it? A cybersecurity expert explains the risks the app poses and the challenges to blocking it

Doug Jacobson, Professor of Electrical and Computer Engineering, Iowa State University, The Conversation on

Published in News & Features

The second issue that the U.S. government has raised is algorithm bias or algorithm manipulation. TikTok and most social media apps have algorithms designed to learn a user’s interests and then try to adjust the content so the user will continue to use the app. TikTok has not shared its algorithm, so it’s not clear how the app chooses a user’s content.

The algorithm could be biased in a way that influences a population to believe certain things. There are numerous allegations that TiKTok’s algorithm is biased and can reinforce negative thoughts among younger users, and be used to affect public opinion. It could be that the algorithm’s manipulative behavior is unintentional, but there is concern that the Chinese government has been using or could use the algorithm to influence people.

If the federal government comes to the conclusion that TikTok should be banned, is it even possible to ban it for all of its 150 million existing users? Any such ban would likely start with blocking the distribution of the app through Apple’s and Google’s app stores. This might keep many users off the platform, but there are other ways to download and install apps for people who are determined to use them.

A more drastic method would be to force Apple and Google to change their phones to prevent TikTok from running. While I’m not a lawyer, I think this effort would fail due to legal challenges, which include First Amendment concerns. The bottom line is that an absolute ban will be tough to enforce.

There are also questions about how effective a ban would be even if it were possible. By some estimates, the Chinese government has already collected personal information on at least 80% of the U.S. population via various means. So a ban might limit the damage going forward to some degree, but the Chinese government has already collected a significant amount of data. The Chinese government also has access – along with anyone else with money – to the large market for personal data, which fuels calls for stronger data privacy rules.

So as an average user, should you worry? Again, it is unclear what data ByteDance is collecting and if it can harm an individual. I believe the most significant risks are to people in power, whether it is political power or within a company. Their data and information could be used to gain access to other data or potentially compromise the organizations they are associated with.

 

The aspect of TikTok I find most concerning is the algorithm that decides what videos users see and how it can affect vulnerable groups, particularly young people. Independent of a ban, families should have conversions about TikTok and other social media platforms and how they can be detrimental to mental health. These conversations should focus on how to determine if the app is leading you down an unhealthy path.

This article is republished from The Conversation, an independent nonprofit news site dedicated to sharing ideas from academic experts. If you found it interesting, you could subscribe to our weekly newsletter.

Read more:
TikTok is a unique blend of social media platforms – here’s why kids love it

Dozens of US schools, universities move to ban TikTok

Doug Jacobson does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.


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