Category: Cybersecurity
8 European alternatives to Splunk Enterprise Security — GDPR-compliant & EU-hosted.
US SIEM platform (San Francisco), owned by Cisco (US) since 2024.
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Facts
- Headquarters
- US (US)
- EU adequacy decision
- Only for companies individually certified under the EU-US Data Privacy Framework
- Sovereignty model
- Vendor-hosted (non-EU)
- Category
- Cybersecurity
- Type
- Product
- GDPR-compliant
- Yes
- Open-source
- No
- Data hosting
- US
Sources
This record was checked via the vendor's website and legal notice when it was added on September 20, 2026. Source links have been recorded per record since 20 September 2026.
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".
- Data Processing Agreement (DPA)
- splunk.com/en_us/legal/splunk-dpa.html
- Subprocessor list
- splunk.com/en_us/legal/sub-processors.html
- Security page / trust center
- splunk.com/en_us/legal.html
- EU hosting documented
- splunk.com/en_us/legal/splunk-cloud-security-exhibit.html
Provenance of the links above:Vendor-stated
Links checked on September 21, 2026.
Technical hosting signal
Independently established via a DNS/network lookup (not information from the vendor itself). This shows which network currently serves this vendor's website — often a CDN — so it does not necessarily reflect where the actual service or data is hosted.
- Network
- AKAMAI-ASN1 - Akamai International B.V., NL (US)
Provenance:Technically measured
Sovereignty profile of Splunk Enterprise Security
How this vendor scores on the five dimensions of the Digital Sovereignty Heatmap: 0 is sovereign, 100 is high exposure. These are the same scores the assessment uses.
| Jurisdictional exposure (JES) | Headquartered in the US: CLOUD Act and FISA 702 | 90 |
|---|---|---|
| Data residency (DRS) | No EU hosting (US) | 100 |
| Cryptographic key sovereignty (CKS) | Key management with a non-European vendor | 80 |
| Platform lock-in (PLS) | Closed source: switching requires data migration | 60 |
| Source & runtime sovereignty (SRS) | Closed source, runtime with the vendor | 85 |
| Average | 83 |
Why digital sovereignty matters with Splunk Enterprise Security
Splunk Enterprise 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.
Splunk Enterprise Security hosts data outside the EU (US). Personal data therefore leaves the EU, which requires a transfer mechanism under the GDPR and drives the data residency score up.
Splunk Enterprise 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 Splunk Enterprise Security together with your other vendors and gives a total score, a heatmap and the main risk drivers.
Top EU-based & GDPR-compliant alternatives to Splunk Enterprise Security
The European alternatives to Splunk Enterprise Security come from our knowledge base of over 3,600 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.
- Elastic Security↗
Dutch open-source SIEM and endpoint security powered by Elasticsearch
NL · open-source
- iProtect (TKH Security)↗
Dutch security management system by TKH Security (formerly Keyprocessor, Amsterdam) for access control, key management and intrusion detection; on-premises.
NL · commercial
Frequently asked questions
What is the best European alternative to Splunk Enterprise Security?
It depends on your use case. Strong EU alternatives to Splunk Enterprise Security include LogPoint, Sekoia.io and Elastic Security. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.
Are there open-source alternatives to Splunk Enterprise Security?
Yes. Open-source EU alternatives to Splunk Enterprise Security include Elastic Security. These keep your data fully under your own control and let you self-host if you want to.
Is Splunk Enterprise Security GDPR-compliant and where is the data hosted?
Splunk Enterprise Security is headquartered in US and hosts data in US. 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.
Digital sovereignty in Cybersecurity
Cybersecurity: Threat detection, endpoint protection, SIEM, vulnerability management. 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.
Also in this category
How sovereign is your whole stack?
Start with Splunk Enterprise Security and add the rest of your software. You immediately see the score, the heatmap and the European alternatives.
Assess Splunk Enterprise Security in the free assessmentAre you this vendor? You can also advertise on the Cybersecurity page — with no effect on your score