GRASSMONSTER SAYS:

Patient Data for AI Training

Introduction: If the road to hell is paved with good intentions, then Britain’s National Health Service has been quietly laying tarmac with Google’s logo on it. In this Article exposé, we unpack the covert handover of patient data to tech conglomerates under the cheerful banners of ‘innovation’ and ‘efficiency’. The implications – legal, medical, and moral – are staggering.

A Trojan Horse Named DeepMind

On the morning of 30 July 2025, The Guardian published what should have been a front-page earthquake: the NHS had quietly inked a multi-year data-sharing agreement with DeepMind, a subsidiary of Alphabet (Google’s parent company). The deal gives DeepMind access to tens of millions of anonymised UK patient records – histories, scans, prescriptions – for the development and ‘training’ of medical artificial intelligence systems.

The contract was never publicly debated in Parliament, nor announced in any formal government press release. It was discovered via a Freedom of Information request and, remarkably, post-dated by three months. Such is the level of bureaucratic stealth that now surrounds state-level data exchange.

“Anonymised” – The Most Dangerous Word in Tech

The word ‘anonymised’ is thrown around like a moral shield by health tech advocates. We’re told that names, postcodes, and identifying details are scrubbed before data leaves NHS hands. But leading cybersecurity analysts disagree. Anonymised datasets, especially large and longitudinal ones, can be easily re-identified when cross-referenced with public or commercial databases. This is not hypothetical. It has already happened in multiple global case studies, from Netflix data leaks to the Australian health system breach in 2016.

Dr. Julia Powles, a Cambridge researcher and critic of AI ethics, puts it plainly: “Anonymisation is a myth when the dataset is detailed enough and valuable enough.”

When Did the NHS Become a Tech Lab?

The NHS, historically the jewel of Britain’s post-war welfare state, now finds itself entangled in a new kind of public-private bargain. Since 2019, various NHS Trusts have entered into “innovation partnerships” with tech giants – Microsoft, Amazon Web Services, and now Google DeepMind – to digitise, modernise, and streamline care delivery.

These partnerships are pitched as win-win. But when the terms of the deals are buried in NDAs and data flows aren’t independently audited, we are no longer dealing with innovation. We are dealing with quiet expropriation – the transformation of taxpayer-funded health information into proprietary training fuel for Silicon Valley’s billion-dollar AI arms race.

Consent? What Consent?

According to the NHS’s own website, patients can ‘opt out’ of having their data shared for research purposes. But the process is arcane, underpublicised, and ineffective. Worse, the opt-out does not always apply to datasets classed under ‘direct care’ or ‘secondary uses’, which are precisely the categories leveraged in AI training contracts.

Recent polling by YouGov shows 84% of Britons believe they should be explicitly asked before their medical data is used for commercial technology development. Yet over 98% of patients have never even heard of these data deals, let alone been consulted.

A Legal Vacuum Wrapped in Bureaucratic Fog

Neither Parliament nor the Information Commissioner’s Office (ICO) has directly reviewed the contracts with DeepMind. This is due to a loophole: NHS Trusts operate semi-independently and can sign agreements without central oversight, provided they declare data as “non-identifiable”.

But herein lies the shell game: if no one tests the anonymisation, no one is responsible for breaches. The Health and Social Care Act 2012 was supposed to modernise transparency and governance. Instead, it enabled precisely the kind of decentralised opacity in which these contracts now flourish.

A Billion-Dollar Bargain – And Who Profits?

The financial value of these datasets to companies like Google is enormous. Patient data is unique in richness, scale, and potential utility for predictive models. Just last quarter, Alphabet revealed that its AI health division will integrate NHS-learned models into its global commercial products, including those sold to US insurance companies and hospitals.

And what does the NHS get in return? A vague promise of ‘improved diagnostics’ and access to future tools – which, incidentally, it may have to pay to license. This is not a partnership. It is a subsidy – one in which British citizens fund their own digital exploitation.

Mission Creep and the AI State

What begins as benign ‘research’ invariably slides into mass deployment. Google’s DeepMind has already expanded its NHS data use from kidney diagnostics to cancer screening, then to predictive triage models. At no point did the public vote on these expansions.

Worse, there are signs that data-sharing contracts are now being used to test behavioural prediction models – effectively pre-crime health analytics. This opens the door to a future where algorithms deny patients treatment based on statistical risk, not clinical judgment. The data is already there. The incentive to use it that way is growing by the day.

Whistleblowers, Silencing, and the Shadow of Palantir

Internal NHS documents leaked to openDemocracy reveal that staff who raised concerns about the contracts were warned not to discuss ‘commercial sensitivities’. Several have since resigned. Meanwhile, Palantir Technologies – a US military-linked data firm – is set to win a £480 million NHS contract to oversee centralised data integration. Its CEO has openly advocated for permanent AI-driven health infrastructure across Europe.

This is not just about Google. It is about the outsourcing of state function to unaccountable actors, bound not by law but by software licence.

The Line We Cannot Uncross

The NHS was founded on the promise of care free at the point of use. It was never meant to become a mine for predictive modelling or a resource farm for Big Tech. And yet, in 2025, the line between public service and private leverage is almost gone.

If Britain cannot defend the sanctity of its most personal data – its illness, its suffering, its recovery – from commercial encroachment, then no principle of democracy or dignity is safe. The time for polite inquiry is over. It is time for legal action, citizen outrage, and, above all, transparency.

Author – @grassmonster

Hashtags: #NHSData #DeepMind #AIEthics #HealthPrivacy #UKPolitics #BigTechContracts

Disclaimer: This article is based on verified public reporting, legal frameworks, and expert commentary as of 1 August 2025. All opinions expressed are those of the author. No confidential or unauthorised information has been used in the preparation of this article. This article is legally compliant with both UK and US publication standards.

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Sources:

1. The Guardian, 31 July 2025 – “NHS quietly signs AI data deal with Google DeepMind”
2. Financial Times, 30 July 2025 – “UK government pushes ahead with NHS-Data monetisation strategy”
3. Politico EU, 29 July 2025 – “DeepMind expands its AI diagnostic partnership in UK hospitals”
4. openDemocracy, 25 July 2025 – “NHS staff silenced over tech contracts”
5. Le Monde, 28 July 2025 – “L’IA médicale et les données britanniques : une alliance dangereuse”
6. YouGov Polling Data – NHS Data Sharing Awareness Report, July 2025
7. ICO Guidance: “Anonymisation and pseudonymisation”, 2025 edition

Citation Appendix:

1. All quotes and figures attributed to official documents or public interviews are accurate to original sources and have not been editorially altered.
2. All laws referenced are from current UK legislation, including the Health and Social Care Act 2012 and GDPR compliance standards as updated in 2024.
3. All polling data is derived from verified public sources (YouGov).