Back to all glossary articles

Second-party data

Second-party data refers to another company’s first-party data that is shared or sold directly between the two parties. In this data-sharing arrangement, both parties exchange the data with mutual consent. This type of data sharing often occurs through trusted partnerships, collaborations, or direct agreements between companies.

The exchange of second-party data relies on high trust between the two parties. Both organizations should know that the shared data is accurate, relevant, and obtained with proper consent from the individuals involved.

Since second-party data originates from another company’s first-party data, it is often considered to be of higher quality and accuracy than third-party data from external sources.

You might also like:

  • Privacy by design in practice: How “just enough” data beats “just in case” collection

    While collecting more data “just in case” feels safer, according to Matt Gershoff, it’s also one of the biggest sources of unnecessary compliance risk, analytical noise, and wasted organizational resources in the analytics industry today. His approach of “just enough” data collection is more intentional, more aligned with privacy regulation, and often more analytically effective.

  • 4 ways to make your analytics HIPAA-compliant: Implementation guide

    Healthcare organizations have four main approaches to achieving HIPAA-compliant analytics. Each has different trade-offs in cost, technical complexity, and analytics capabilities. This guide compares all four implementation methods – from using Google Analytics with workarounds to deploying fully HIPAA-compliant analytics platforms – so you can choose the right approach for your organization’s needs and resources.

Other definitions

Recent posts from Piwik PRO blog