Brazil's data regulator says TikTok processed teenagers' data without a valid legal basis Brazil steps up scrutiny of platforms' safeguards for minors as countries tighten social media rules Key points and original sources are listed below.

• Brazil's data regulator says TikTok processed teenagers' data without a valid legal basisS1

• Brazil steps up scrutiny of platforms' safeguards for minors as countries tighten social media rulesS2