Points out that Spain has been quietly awarding critical-data contracts to Huawei-adjacent vendors in parallel. This makes the 'national security' framing look inconsistent — you can't credibly cite foreign-vendor data risk while onboarding a different foreign vendor with arguably worse exposure.
Offers the practitioner's cynicism: 'this order will probably be revoked in 2027/2028.' The implication is that these procurement bans are performative gestures tied to political cycles rather than durable technical or doctrinal shifts, and vendors like Palantir tend to outlast the administrations that ban them.
Argues that both the official security framing and the cynical procurement framing dodge the engineering question: what runs instead? Palantir Foundry's moat is the typed, versioned ontology layer with permissioned actions and audit-logged workflows over an identity graph — there is no drop-in open-source replacement, and the closest honest attempt (dbt + Dagster + Iceberg + in-house ontology service + OPA) is years of integration work.
Reports Spain's official framing at face value: Palantir handles classified national-security information whose exposure in a foreign vendor's tenancy carries downstream consequences Madrid is unwilling to accept. Under this reading, the ban is a narrow, defensible sovereignty measure over sensitive data pipelines.
Spain's government has ordered a blacklist of Palantir Technologies across public bodies and state-controlled companies, citing concerns about the potential misuse of classified national-security information. The story hit 669 on Hacker News in a few hours, which tells you most of what you need to know about how the tech-adjacent audience reads it: as a political signal, not a technical one.
The official framing is narrow — Palantir handles data whose exposure has downstream consequences Madrid does not want in a foreign vendor's tenancy. The unofficial framing, aired in the HN thread by user Dibby053, is less flattering: Spain has been quietly awarding critical-data contracts to Huawei-adjacent vendors in parallel, which makes the 'security risk' language read more like a procurement realignment than a doctrine. Another commenter, gus_, offered the practitioner's cynicism cleanly: *"this order will probably be revoked in 2027/2028."*
Either reading is defensible. Neither answers the question a senior data engineer would ask first: what, specifically, does Spain plan to run instead?
The framing in general coverage treats Palantir as if it were a SaaS dashboard — cancel the subscription, migrate the CSVs, done. It isn't. Palantir Foundry's stickiness is not the data lake underneath it (that's boring; it's object storage and Spark). The moat is the ontology layer: a typed, versioned model of the government's entities — people, cases, permits, vessels, transactions — with permissioned actions bolted onto each object type so that reading, writing, and workflow steps are audit-logged against the same identity graph. Gotham, the defense-flavored sibling, adds a fusion layer over that same primitive.
There is no drop-in open-source replacement for that combination. The closest honest attempt looks something like dbt + Dagster + Iceberg for the pipelines, an in-house ontology service on top of Postgres or a graph store, OPA or Cedar for the permission layer, and a bespoke workflow engine for the 'actions' (Palantir's term for typed, permissioned writes back to the ontology). Each of those components exists. Wiring them into something a ministry's non-engineer analysts can use without a six-month training program is the actual project, and it is measured in years and eight-figure budgets — not in press releases.
This is where Europe's 'sovereign cloud' story becomes uncomfortable. GaiaX was founded in 2019 with exactly this scenario in mind: a European federation of trusted providers that could underpin critical government workloads. Six years in, GaiaX has shipped a rich catalogue of governance documents, trust frameworks, and reference architectures — and approximately zero production stacks that a national government could migrate a Foundry deployment onto. That is not a slur on the participants; it is the natural output of a consortium optimising for consensus over shipping. But it means the sovereign alternative Spain is implicitly invoking does not, in operational terms, exist yet.
The UK offers the mirror-image data point. The NHS Federated Data Platform, awarded to Palantir in November 2023 for £330M over seven years, went live regardless of a very loud campaign against it — because the procurement team could not name a credible non-Palantir bidder who could stand up an ontology-plus-actions platform across 200+ NHS trusts on the timelines required. Bavaria's police have deepened, not unwound, their Gotham deployment (VeRA) despite German constitutional-court scrutiny. The pattern across Europe is not a sovereignty consensus — it's each government privately concluding that the technical replacement cost is higher than the political cost of staying, and only Spain (so far) blinking first.
HN commenter sequoia asked the question the article dodges: *"What are the specific concerns?"* Nobody in the thread has a good answer, and neither does the official statement. That absence matters, because 'we don't trust the vendor' and 'we can't run the replacement' produce different procurement outcomes. The first ends in a European or open-source rebuild. The second, as Dibby053 hinted, ends in swapping one foreign vendor for another whose bribes are cheaper — and whose data-handling posture is, on any honest read, worse.
If you build data platforms inside a large organisation, the useful lesson here has nothing to do with geopolitics. It's the reminder that the parts of your platform that look like features are the parts that get replaced; the parts that look like taxonomy are the parts that get stuck. Dashboards get rewritten every two years. Pipeline frameworks get swapped every four. Ontologies — the shared vocabulary your business analysts, ML engineers, and workflow tools all bind to — outlive the CTO. Palantir figured this out a decade before the 'data product' discourse caught up, and the migration cost Spain is about to discover is denominated in that ontology, not in terabytes.
For teams building internal analogues, three concrete implications. First, treat the entity model as versioned schema, not documentation: a Protobuf-style contract with owners, deprecations, and CI checks, because you will need it the day someone asks you to migrate off your current stack. Second, the actions layer is where lock-in accumulates fastest — every workflow that writes back through a typed, permissioned API is a workflow that a plain data-warehouse migration cannot carry forward. Budget for it as first-class code, not as glue. Third, if you are on Foundry today and reading Spain's announcement as a signal to plan an exit, do the reverse-engineering of the ontology first, before you touch the pipelines — the ontology is the deliverable that survives every plausible migration target, and it is the artefact your vendor will not hand you at the end.
For European teams specifically, the honest read is that GaiaX is not going to save you on your current planning horizon. If sovereign-data posture is a real requirement, the credible 2026–2027 stack looks like managed OpenTofu-provisioned infrastructure on a Franco-German provider (OVH, Scaleway, IONOS, Hetzner), Iceberg on that infrastructure's object storage, dbt or SQLMesh for transformations, Trino or DuckDB for query, and a hand-rolled ontology-and-actions service you own the source code to. It is more work than buying Foundry. That is the trade.
The most likely 18-month outcome is the least edifying one: Spain quietly narrows the scope of the ban to a handful of ministries, keeps Foundry running under a renamed contract or via a domestic reseller, and the story disappears from HN's front page. The second-most-likely outcome is the one Dibby053 sketched — a partial replacement by a Chinese-adjacent vendor, sold as sovereignty, that is sovereignty in exactly the sense of choosing which foreign capital your national-security data flows through. The outcome nobody should bet on is a clean, on-time migration to an open, European-owned platform, because that platform does not exist in shippable form and the procurement clock is shorter than the build clock. Watch what Madrid signs next; the vendor name will tell you more about European tech sovereignty in 2026 than any GaiaX white paper will.
They seem to have been granting contracts to manage all kinds of critical data to Huawei's Palantir equivalent lately, so it's probably less about security risks and more about the current source of the bribe money.If they cared about security they would not outsource this kind of stuff to
I really like what Spain is doing recently. If it weren't for climate change, I'd consider moving there.
"The decision stems directly from growing official concern over the potential misuse of classified information linked to national security."What are the specific concerns?
Unfortunately this order will probably be revoked in 2027/2028, we'll see.
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Spain is really going in the right direction, I wonder why no one countries inspire from what they are doing