DPIA 101: What It Is and Why Your Business Needs One

What Is a Data Protection Impact Assessment (DPIA)?

A Data Protection Impact Assessment (DPIA) is a systematic process for evaluating the potential impact that a data processing activity may have on the privacy and rights of individuals. Required under GDPR Article 35, a DPIA helps organizations identify and minimize data protection risks before they materialize.

With the DLA Piper GDPR Fines and Data Breach Survey (January 2025) reporting EUR 1.2 billion in fines during 2024 and EUR 5.88 billion in total fines since 2018, the cost of skipping or botching a DPIA can be catastrophic. Several high-profile enforcement actions, including penalties against Meta (EUR 251 million) and LinkedIn (EUR 310 million), involved processing activities that should have undergone thorough impact assessments.

When Is a DPIA Required?

GDPR Article 35 requires a DPIA when processing is likely to result in a high risk to the rights and freedoms of natural persons. Specific triggers include:

• Systematic and extensive profiling with significant effects on individuals.
• Large-scale processing of special categories of data (health, biometric, genetic, etc.).
• Systematic monitoring of publicly accessible areas (e.g., CCTV with facial recognition).
• New technologies whose privacy impact is not yet well understood.
• Automated decision-making with legal or similarly significant effects.

National Data Protection Authorities also publish blacklists of processing activities that always require a DPIA in their jurisdiction.

The Business Case Beyond Compliance

A DPIA is not just a regulatory checkbox. It delivers tangible business value:

• Risk reduction: Identify and mitigate privacy risks before they become breaches or fines.
• Trust building: The Cisco 2026 Data Privacy Benchmark Study found that 46% of consumers say clear communication about data practices builds trust.
• Cost avoidance: Fixing privacy issues during the design phase costs a fraction of post-launch remediation.
• Competitive advantage: Organizations with mature privacy programs demonstrate accountability to partners and customers.
• Stakeholder alignment: The DPIA process brings legal, technical, and business stakeholders together around shared privacy objectives.

Key Components of a DPIA

A thorough DPIA includes:

1. Description of processing: What data is collected, from whom, how it is processed, stored, and shared.
2. Necessity and proportionality assessment: Is the processing necessary for the stated purpose? Is the data collection proportionate?
3. Risk identification: What risks does the processing pose to data subjects (unauthorized access, data loss, discrimination, etc.)?
4. Mitigation measures: What technical and organizational measures will reduce identified risks to acceptable levels?
5. Review schedule: When will the DPIA be revisited?

Getting Started with DPIAs

If your organization has never conducted a DPIA, start with your highest-risk processing activities. Create a standardized template, involve your DPO and key stakeholders, and document everything. Treat the DPIA as a living document that evolves with your processing activities.

Jerisaliant's DPIA module provides a guided workflow for conducting impact assessments, with built-in risk scoring, customizable templates, and automated review scheduling.