Ministers say software developed by the Cabinet Office has helped to ramp up fraud detection.
TikTok says it will introduce measures to “strengthen our platform” although it disputes some of the findings.
The data has been released to coincide with the launch of a new group of MPs representing creators and influencers.
Research suggests that 30 out of 47 Instagram safety tools for teens were “substantially ineffective or no longer exist”.
The video game icon has been taking shots at an old rival, but the real competition comes from newer games.
Pessimistic social media posts may now be targets of a fresh crackdown by the Chinese government.
The tech giant said its products were not intended to be used for mass surveillance of civilians.
The criminals say they will share 30 more profiles along with 100 employees’ data if a ransom is not paid.