Non-EU vendorCaptcha & Bot DetectionHeadquarters: RU

Yandex SmartCaptcha: sovereignty score and 8 European alternatives

SmartCaptcha is a bot-protection service of Yandex Cloud, the cloud platform operated by the Russian company Yandex.Cloud LLC. Most visitors only need to tick an 'I am not a robot' box, while suspicious requests are given harder tasks such as text recognition or image puzzles. The service runs on Yandex Cloud infrastructure and is checked server-side, and the vendor states that it complies with international standards and Russian information security laws.

Yandex.Cloud LLC is a Russian company. Its data processing notice states that technical data collected through SmartCaptcha, including device and activity signals, is stored on servers located in Russia and deleted after 60 days. The notice does not mention EU data residency or a transfer mechanism, and the vendor's product pages offer no GDPR statement. For a European organisation, captcha data would be stored and governed under Russian law, so the service is only suitable where that is acceptable under the organisation's own requirements.

See the 8 European alternatives ↓Assess your stack with Yandex SmartCaptcha pre-selected

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Sovereignty score

32 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-250
Headquartered outside the EU (RU)
Data residency SOV-30
No hosting in Europe (OTHER)
Cryptographic key sovereignty SOV-340
Key management with a non-European vendor
Freedom from lock-in SOV-640
Closed source: switching requires data migration
Source & runtime sovereignty SOV-4 · SOV-630
Closed source, runtime with the vendor

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 11, 2026

Headquarters	RU (OTHER)Verified by hand
EU adequacy decision	No — no adequacy decisionVerified by hand
Sovereignty model	Vendor-hosted (non-EU)Verified by hand
Data hosting	OTHERVerified by hand
Open-source	NoVerified by hand
GDPR-compliant	NoVendor-stated
Category	Captcha & Bot Detection
Type	Product
Website	yandex.cloud ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Yandex SmartCaptcha

The European alternatives to Yandex SmartCaptcha come from our knowledge base of over 6,800 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

15 European Captcha & Bot Detection vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with Yandex SmartCaptcha

Yandex SmartCaptcha is headquartered in RU, outside the EU. Contracts and data therefore also fall under non-European law. The GDPR applies through contractual terms, but in a conflict with local legislation you have less certainty than with a European vendor.

Yandex SmartCaptcha hosts data outside the EU (OTHER). Personal data therefore leaves the EU, which requires a transfer mechanism under the GDPR and pulls the data residency score down.

Yandex SmartCaptcha is closed source and hosted by the vendor. The encryption keys and the runtime sit with the vendor and switching requires data migration. Ask about bring-your-own-key, export options and open standards.

What this means for your organisation depends on your whole stack and context. The free assessment weighs Yandex SmartCaptcha together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to Yandex SmartCaptcha?

It depends on your use case. Strong EU alternatives to Yandex SmartCaptcha include ALTCHA, ALTCHA Sentinel and Atmosvere. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Yandex SmartCaptcha?

Yes. Open-source EU alternatives to Yandex SmartCaptcha include ALTCHA and CaptchaService (Stad München). These keep your data fully under your own control and let you self-host if you want to.

Is Yandex SmartCaptcha GDPR-compliant and where is the data hosted?

Yandex SmartCaptcha is headquartered in RU (OTHER) and hosts data in OTHER. Its GDPR compliance is limited or unclear. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 11, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in Captcha & Bot Detection

Captcha & Bot Detection: Services that detect whether a real user or bot is visiting a website. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

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