Here a video from YouTube showing - TikTok app in action spying on user device.
https://youtu.be/l_fVbuXLaAA
The origins of TikTok suggest that the Chinese government is involved and this is the best way for them to be the next Facebook, Twitter, and YouTube in one.
TikTok CEO, Kevin Mayer, denied that the app was spying on their users and assured the Indian government:
https://www.military.com/daily-news/2019/12/30/army-follows-pentagon-guidance-bans-chinese-owned-tiktok-app.html
Warning—Apple Suddenly Catches TikTok Secretly Spying On Millions Of iPhone Users
https://www.forbes.com/sites/zakdoffman/2020/06/26/warning-apple-suddenly-catches-tiktok-secretly-spying-on-millions-of-iphone-users/#4d273fea34ef
Zimperium Analyzes TikTok’s Security and Privacy Risks
https://blog.zimperium.com/zimperium-analyzes-tiktoks-security-and-privacy-risks/
TikTok May Lose Up To $6 Billion As Result Of India Ban; Users Urged To Delete App
https://www.forbes.com/sites/zakdoffman/2020/07/04/tiktok-loses-6-billion-as-users-urged-delete-app-immediately/#1ff606be1c98
Anonymous Hackers Target TikTok: ‘Delete This Chinese Spyware Now’
https://www.forbes.com/sites/zakdoffman/2020/07/01/anonymous-targets-tiktok-delete-this-chinese-spyware-now/#7726238135cc
Source
https://bitcointalksearch.org/topic/m.54735071
https://blog.zimperium.com/zimperium-analyzes-tiktoks-security-and-privacy-risks/
https://www.forbes.com/sites/zakdoffman/2020/07/04/tiktok-loses-6-billion-as-users-urged-delete-app-immediately/#1ff606be1c98