Data is powerful. And like any powerful tool, it can be used well or poorly. Data ethics is the set of principles that guide responsible data collection, use, and sharing.

Ethics in data isn't just about following the law — it's about doing what's right, even when the law doesn't require it.

Core Principles

Fairness

Data and the systems built on it should treat people fairly. Biased data leads to biased outcomes. If a dataset over-represents some groups and under-represents others, any analysis based on it will reflect that bias.

Transparency

People should be able to understand how data about them is collected, used, and shared. Transparency builds trust and allows people to make informed decisions about their own information.

Accountability

Someone should be responsible for how data is managed. When data is misused or causes harm, there should be a clear process for addressing it. Accountability means having named data owners and clear policies.

Privacy

People have a right to control information about themselves. Collecting more personal data than necessary, sharing it without consent, or retaining it longer than needed are all ethical violations — and often legal ones too under PIPEDA.

Real-World Example

A hiring algorithm trained on historical data might learn to favour candidates who match the profile of past hires — which could perpetuate historical biases around gender, age, or background. Ethical data practice requires examining and correcting for these patterns.

Purpose Limitation

Data collected for one purpose shouldn't be used for a different purpose without consent. A customer's email address collected for order confirmations shouldn't be used for unrelated marketing without permission.

Minimization

Collect only the data you actually need. Every piece of personal data you hold is a responsibility — and a risk. Data minimization reduces both.

Ethics in Practice

Ethical data practice isn't a one-time checklist. It's an ongoing commitment to asking: Who might be affected by this data? Could it cause harm? Is it being used as intended? Are the people it describes treated with respect?

For a deeper look at privacy specifically, see the Privacy 101 learning path.

Path Complete!

You've finished Data 101. Continue your learning with Open Data 101 or explore the Glossary.

← Data Standards