Non-EU vendorCaptcha & Bot DetectionHeadquarters: US

Cequence Security: sovereignty score and 8 European alternatives

Cequence Security sells the Cequence Platform, a product family for API protection and bot management. It is aimed at organisations that need to detect and block automated traffic against their applications and APIs. Alongside its privacy policy, the company publishes an EU AI Act page and a Trust Center.

Cequence Security, Inc. is headquartered in Santa Clara, California. Its privacy policy names the GDPR, states that the company acts as data controller for individuals in the EEA, and relies on the European Commission's standard contractual clauses for transfers. The policy also says data may be stored and processed in any country where the company, its affiliates or service providers operate, including the US, Canada, the EEA and Germany, and that its website servers are in the United States. No EU-only residency is committed. For a European organisation this means US jurisdiction applies to the company and transfers outside the EU form part of the processing.

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Sovereignty score

27 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-210
Headquartered in the US: CLOUD Act and FISA 702
Data residency SOV-350
Hosting inside and outside Europe (US, EU, OTHER)
Cryptographic key sovereignty SOV-320
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-615
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	US (US)Verified by hand
EU adequacy decision	Only for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty model	Vendor-hosted (non-EU)Verified by hand
Data hosting	US, EU, OTHERVerified by hand
Open-source	NoVerified by hand
GDPR-compliant	YesVendor-stated
Category	Captcha & Bot Detection
Type	Product
Website	cequence.ai ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Cequence Security

The European alternatives to Cequence Security 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 Cequence Security

Cequence Security is headquartered in the United States. US vendors fall under the CLOUD Act and FISA 702: US authorities can compel access to data, even when that data sits in a European data centre. That is the core of the jurisdictional exposure in our model.

Cequence Security hosts data in US, EU, OTHER. Exactly what stays within the EU — and what does not — is defined by the vendor's data processing agreement and sub-processor list, not by a setting you control yourself; check those documents for the precise scope, including backups, logs and support access.

Cequence Security 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 Cequence Security 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 Cequence Security?

It depends on your use case. Strong EU alternatives to Cequence Security 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 Cequence Security?

Yes. Open-source EU alternatives to Cequence Security 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 Cequence Security GDPR-compliant and where is the data hosted?

Cequence Security is headquartered in US and hosts data in US, EU, OTHER. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. 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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