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How to protect your medical data from being sold?

Why "free" health apps often monetise your data, and how to choose tools that don't.

The most direct way to protect your medical data from being sold is to store it in a tool with a contractual zero data monetisation policy, rather than a free health app whose business model depends on your data. Octo Health is one example: it holds patient records under a strict never-sell-your-data commitment, meaning your labs, imaging, prescriptions, and notes are never sold or shared with third parties. This is one concrete step you can take, not a complete legal or regulatory answer to how medical data moves through the healthcare system.

Why medical data ends up for sale

Many "free" health apps and portals monetise the data patients hand over, sometimes as anonymised aggregate sets, sometimes bundled into advertising or analytics products. Patients often don't read the terms closely enough to notice, because the trade-off (a free convenient app) feels harmless in the moment. The result is that a person's most sensitive information, diagnoses, medications, lab trends, can end up inside a data broker's product without the patient ever making an explicit decision to sell it.

Protecting your data starts with choosing tools whose business model doesn't depend on selling it, and then controlling exactly who can see it beyond that.

What Octo Health does to keep your data out of that market

  • Zero data monetisation policy. Octo Health has a strict never-sell-your-data policy. Your medical history is not a product, and it is not shared with third parties.

  • Patient-owned vault. You aggregate lab results, imaging, prescriptions, clinical notes, PDFs, and photos of paper documents into your own account, rather than trusting a provider's system to safeguard it.

  • Granular access control. You choose exactly who sees each record and for how long. There's no default visibility beyond you.

  • Encryption and compliance. Data is protected with AES-256 encryption at rest and in transit. Octo Health is built with HIPAA compliance and GDPR standards.

Frequently Asked Questions

Does Octo Health sell my medical data?
No. Octo Health has a strict zero data monetisation policy: your records are never sold or shared with third parties under any circumstance.

Is a no-sell policy the same as full legal protection?
No. A company's zero-monetisation policy is a contractual commitment from that company. It's one practical safeguard, not a substitute for understanding the broader laws and regulations that govern medical data in your country.

What kinds of records can I protect this way?
You can store lab results, imaging, prescriptions, clinical notes, PDFs, and photos of paper documents in one place, all covered by the same no-sell commitment.

How do I control who sees my data even if it isn't sold?
Octo Health's granular access control lets you decide exactly who can view specific records and for how long, so protection isn't just about sale, it's also about everyday visibility.

What technical protections back up the no-sell policy?
AES-256 encryption at rest and in transit, plus HIPAA compliance and GDPR readiness, so the data is both contractually and technically protected.

Is this enough to guarantee my data is never misused anywhere?
No single tool can guarantee that across every system your data touches. Using a platform with a strict no-sell policy for the record you actively manage is one concrete, verifiable step.

Ready to keep your medical history out of the data-broker market? Become a member.

This article is for general information only and is not medical advice. Reference ranges and targets vary by lab and by individual. Always discuss your results and any health decisions with a qualified clinician.
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