What is data protection by design?

Problem

Data protection by default and by design is a key pillar of GDPR. It is a key way that data processors show their respect for personal data and the people whose data they collect. However, many companies – especially smaller ones – do not understand the concept. Nor do they know how to build it into the data processing and their data protection policy.

Solution

In this explainer we discuss what data protection by design and default means, what the benefits of it are. We also explore some ways of achieving it, and therefore improving GDPR compliance.

So, what is data protection by design?

Table of contents

1. Introduction

2. Defining Data Protection by Design

3. Examples of Implementing Data Protection by Design

4. Benefits of Data Protection by Design

5. The Risks of Not Protecting Personal Data

6. Five Ways to Deliver Data Protection by Design

Introduction

In today’s digital age, the protection of personal data has become a critical concern for individuals, businesses, and regulatory bodies. Data breaches and privacy violations can result in severe consequences such as financial loss, reputational damage, and legal implications. To address these risks, the concept of “Data Protection by Design” is included in the GDPR. It means taking a proactive approach to embed privacy and data protection principles into the design and development of products, systems, and services. Here we aim to define and discuss the concept of Data Protection by Design. We also provide examples of its implementation, highlight the benefits of adopting this approach, and emphasise the risks associated with neglecting personal data protection.

Defining Data Protection by Design

Data Protection by Design, also known as Privacy by Default, is a concept discussed in the GDPR. It applies to data processors and controllers equally. All organisation should as a matter of policy work toward embedding privacy and data protection measures into system development. It emphasises the need to consider privacy and data protection requirements throughout the entire lifecycle of a product, service, or system, rather than as an afterthought. The core principle of Data Protection by Design is to prioritise privacy and security by implementing appropriate technical and organisational measures to safeguard personal data. In practice it means your default position is to consider data protection issues at the beginning of any project, programme or product development.

Article 25 of the GDPR sets out the need to implement data protection by design into your processing activities.

Data protection by design is different from, but linked to, the GDPR privacy principles. It will involve thinking about data minimisation, restricting your use of personal data to specific activities or limited purposes, and the role of security in data privacy.

Examples of Implementing Data Protection by Design

There are a number of technical and organisational measures businesses both large and small can apply as good practice for data protection.

Encryption and Access Controls

Organisations can implement strong encryption techniques to protect personal data both in transit and at rest. Access controls should be enforced to ensure that only authorised individuals have access to sensitive information. For instance, using secure protocols such as Transport Layer Security (TLS) for website communications or implementing multi-factor authentication for access to customer databases.

Anonymisation and Pseudonymisation

You can adopt techniques such as anonymisation and pseudonymisation to minimise the risk associated with processing personal data. These techniques mean respectively removing anything that identifies individuals from a data set, or replacing them with a pseudonym or reference that can allow a person to be reidentified if necessary in the future.

Data Privacy Impact Assessments (DPIAs)

Conducting DPIAs helps small businesses identify and address privacy risks associated with their data processing activities. DPIAs involve assessing the potential impact on individuals’ privacy rights and implementing appropriate safeguards. For example, a small e-commerce business conducting a DPIA may evaluate the security of its payment processing system to ensure customers’ financial data is adequately protected.

Privacy-Focused Design Choices

Small businesses should consider privacy and data protection when designing their websites, applications, and other digital platforms. This includes minimising the collection of personal data to only what is necessary for the intended purpose, providing clear and concise privacy notices, and offering privacy-enhancing features such as opt-in consent mechanisms or privacy settings.

Engage with the Data Subject

Talking to the data subject and understanding their concerns and expectations when it comes to data protection issues will help you design your processing activity. It will also help you show you respect the data protection principles and individual rights. This will also have the benefit of enhancing trust in your products and services. If your data protection policies take account of customer or user feedback you can show your business practices are highly mature.

Benefits of Data Protection by Design

Complying with your GDPR obligations can feel like a burden. However, there are many benefits to getting the fundamental data protection principles set out in GDPR right.

Enhanced Data Security

Implementing data protection measures from the beginning helps businesses identify and address vulnerabilities, reducing the risk of data breaches and unauthorised access. By designating security as a fundamental aspect of their systems, businesses can establish a robust framework to safeguard personal data.

Regulatory Compliance

Data Protection by Design aligns with various privacy regulations GDPR. By adhering to these principles, small businesses can ensure compliance with legal requirements, avoid fines, and maintain a positive reputation with customers and regulatory authorities. This may make it easier to trade internationally, or secure other business growth opportunities.

Increased Customer Trust

Demonstrating a commitment to protecting personal data enhances customer trust and confidence. When individuals perceive that their privacy rights are respected, they are more likely to engage with a business, share their information, and remain loyal customers.

Cost Savings

Building privacy and data protection into systems from the outset can be more cost-effective than retrofitting security measures after a breach occurs. Preventing data breaches and privacy violations can save businesses substantial financial and reputational costs associated with incident response, remediation, legal proceedings, and customer churn. On a more day-to-day basis obtaining, processing and storing information about an individual costs time and money. If you have systems that minimises the data you need or allow you to use them more productively then you can use these resources more efficiently.

Risks of Not Protecting Personal Data

You should take appropriate measures to comply with your GDPR obligations. If you don’t then you may become the victim of a cyberattack, or be the subject of a complaint to a regulator. The consequences of not protecting personal data include:

Data Breaches

Failing to adequately protect personal data increases the risk of data breaches, where unauthorised individuals gain access to personal data. Data breaches can lead to financial loss, damage to reputation, loss of customer trust, and potential legal action.

Legal and Regulatory Non-Compliance

Neglecting personal data protection may result in non-compliance with privacy regulations, such as GDPR or the California Consumer Privacy Act (CCPA). Non-compliance can lead to significant financial penalties, legal actions, and reputational damage for businesses.

Customer Churn and Loss of Business Opportunities

Customers are increasingly conscious of their privacy rights. They often choose not to engage with businesses that do not prioritise data protection. Poor data protection practices can lead to customer churn and missed business opportunities, as individuals seek out organisations that prioritise their privacy and security.

Five Ways to Deliver Data Protection by design

There are a number of ways you can implement data protection by design. Exactly what this looks like depends on the circumstances you collect and process data, and the specific purpose of your processing activity.

Implement Secure Data Storage

Ensure that personal data is stored securely by using encryption techniques and access controls. Utilise secure databases and servers with appropriate authentication protocols to protect sensitive information from unauthorised access.

Adopt Privacy-Focused Website Design

Design your business website with privacy in mind. Minimise the collection of personal data to only what is necessary. Clearly communicate your data handling practices through a privacy policy. Provide users with options to manage their privacy preferences, such as opt-in consent mechanisms or granular privacy settings.

Conduct Regular Data Protection Audits

Regularly assess and audit your data processing activities to identify potential vulnerabilities and risks. This includes conducting data privacy impact assessments (DPIAs) to evaluate the impact on individuals’ privacy rights and implementing necessary safeguards to mitigate risks.

Train Employees on Data Protection

Provide comprehensive training to employees regarding data protection principles, best practices, and their roles and responsibilities in maintaining data security. Employees should be aware of the importance of protecting personal data, understand the relevant policies and procedures, and be vigilant in identifying and reporting potential security incidents.

Due Diligence

When engaging with third-party vendors or service providers, conduct due diligence to ensure they have robust data protection practices in place. Review their privacy policies, data handling procedures, and security measures to ensure alignment with your organisation’s data protection requirements. Implement contracts or agreements that clearly outline data protection responsibilities and requirements.

It’s important to note that these examples serve as a starting point. The specific measures required for data protection by design will vary. They should be based on the nature of the business, industry regulations, and the types of personal data being processed.

Conclusion

Data Protection by Design is a proactive approach. It emphasises the integration of privacy and data protection measures into the design and development of systems and services. For small businesses, implementing data protection measures from the outset can enhance data security, ensure regulatory compliance, increase customer trust, and yield cost savings. Conversely, neglecting personal data protection exposes businesses to risks. These include data breaches, legal non-compliance, reputational damage, and loss of business opportunities. By prioritising privacy and embedding data protection principles into their operations, small businesses can build a foundation of trust, resilience, and sustainable growth in an increasingly privacy-conscious digital landscape.