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IDFA

Apple's Identifier for Advertisers. Opt-in only since iOS 14.5 ATT.

Related Terms in Privacy

ATT
App Tracking Transparency. Apple's consent framework. ~35% opt-in.
Privacy Sandbox
Google's initiative replacing cookies with Topics API and more.
GDPR
EU regulation. Explicit consent for data collection. Fines up to 4% global revenue.
Clean Room
Secure environment for analyzing combined datasets without raw data exposure.
CCPA
California Consumer Privacy Act. Opt-out mechanism for data selling.
CPRA
California Privacy Rights Act. Enhanced CCPA with new rights.
PIPL
China's Personal Information Protection Law. Strictest in Asia.
PDPL
Saudi Arabia's Personal Data Protection Law. MENA's most comprehensive.

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