TikTok is a popular social media app that allows users to create, watch, and share 15-second videos shot on cellphones.
Tiktok automatically collect:
Usage Information, Device Information, Location data, Messages, Metadata, Cookies.
Tiktok artificial intelligence tracked and stored users' data.
Tiktok is tracking you - Even if you don't have account.
Tiktok also collecting:
Phone Hardware (cpu type, number of course, hardware ids, screen dimensions, dpi, memory usage, disk space, etc)
Other installed apps
Everything Network related (ip, local ip, router mac, your mac, wifi access point name)
Whether you are rooted or jailbroken
“Some variants of the app had GPS pinging enabled at the time, roughly once every 30 seconds – this is enabled by default if you ever location-tag a post IIRC”
“They set up a local proxy server on your device for “transcoding media”, but that can be abused very easily as it has zero authentication”.
Tiktok is proprietary software.
Content being shared by the app's users through HTTP puts the users' data privacy at risk.
Tiktok itself gave permission to collect biometric data on users.
Tiktok is spyware.
Sources:(https://www.tiktok.com/legal/privacy-policy?lang=en, https://www.boredpanda.com/tik-tok-reverse-engineered-data-information-collecting/)