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Bill

A 4741

Requires controller or processor to de-identify personal data and prohibits re-identification of de-identified data.

2024-2025 Regular Session Introduced by Bill Moen

New Jersey bill prohibits de-identified personal data re-identification, requiring controllers and processors to maintain anonymization standards with enforcement mechanisms.

Introduced in the Assembly, Referred to Assembly Science, Innovation and Technology Committee
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Bill Summary · A 4741

Legislative bill overview

Bill A 4741 mandates that entities controlling or processing personal data must de-identify it according to specified standards and explicitly prohibits any attempt to re-identify de-identified data. The bill establishes legal obligations and penalties for companies handling personal information in New Jersey.

Why is this important

De-identification is a key privacy protection mechanism that allows data to be used for research, analytics, and business purposes without exposing individuals' identities. However, advances in data science have made re-identification increasingly feasible; this bill attempts to create a legal barrier against that practice. The legislation reflects growing concern that anonymized data isn't truly anonymous and needs statutory protection.

Potential points of contention

  • Definition and enforceability: The bill doesn't specify what de-identification standard must be met (HIPAA's Safe Harbor, NIST guidelines, differential privacy, etc.), creating ambiguity about compliance and enforcement
  • Business impact: Strict re-identification prohibitions could limit legitimate secondary uses of data for research, product improvement, and fraud detection, potentially increasing compliance costs
  • Technological feasibility: Re-identification bans may be difficult to enforce and monitor, as sophisticated actors could circumvent restrictions; unclear how penalties apply to accidental or indirect re-identification

Compiled from official sources — confirm details with the bill’s official record.

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