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Privacy Glossary · Definition

Opt-Out

A request that a business stop a specified processing activity, such as selling personal information or using it for targeted advertising.

Full definition

Under CCPA, "opt-out" refers specifically to the right to direct a business to stop selling or sharing personal information. Under many newer state laws, separate opt-outs may exist for sale, targeted advertising, and profiling in furtherance of decisions that produce legal or similarly significant effects. Opt-out is narrower than deletion: the business may retain data but must stop the specified activity. Universal opt-out mechanisms like Global Privacy Control (GPC) signal opt-out at the browser level.

Related terms

Universal Opt-Out Mechanism

A browser- or device-level signal that some laws and providers recognise for specified opt-out preferences.

Global Privacy Control (GPC)

A browser and extension signal that communicates a user's intent to opt out of the sale or sharing of their personal information.

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