Strong Identifier
A term in the privacy and advertising technology fields referring to data fields that can stably and uniquely point to a specific natural person, such as phone numbers, email addresses, national ID numbers, or unique device identifiers. It is used for cross-platform identity matching and remarketing.
Timeline (last 90 days)
Strong identifiers refer to data fields that can stably and uniquely point to a specific natural person, such as phone numbers, email addresses, ID card numbers, or unique device identifiers.
When a platform simultaneously holds strong identifiers and behavioral data (such as conversation content), it can link anonymous behavioral traces to real identities, forming an association that is difficult to revoke.
All Facts (2)
Strong identifiers refer to data fields that can stably and uniquely point to a specific natural person, such as phone numbers, email addresses, ID card numbers, or unique device identifiers.
50%UnverifiedWhen a platform simultaneously holds strong identifiers and behavioral data (such as conversation content), it can link anonymous behavioral traces to real identities, forming an association that is difficult to revoke.
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