01. Public-by-default child accounts
Accounts for users under 16 defaulted to public visibility, exposing minors' content beyond their personal network.
The Irish DPC fined TikTok €345 million for child-account default settings that allowed under-13 content to be public, weak parental verification, and dark-pattern flows that nudged minors toward more permissive privacy choices.
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Technical failure modes
Accounts for users under 16 defaulted to public visibility, exposing minors' content beyond their personal network.
Age-gating relied on self-declaration without supplemental signals, allowing under-13 users onto the platform.
UI nudged users — including minors — toward more permissive privacy and content settings during onboarding.
The risk assessment for child-facing features did not match what the Article 35 DPIA process expects.
Remediation path
More enforcement analysis
Next step
The TikTok decision is the children's privacy case for the AI era. Defaults must protect minors. Age verification has to actually work. Privacy UX cannot nudge children toward exposure. The decision lines up directly with COPPA-style rulemaking in the US and parallel work under the UK Age-Appropriate Design Code.
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