Checkmk

checkmk.com

Checkmk declares 6 subprocessors, plus 1 of its own affiliates, in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and Atlassian. No published changes since we first read it on Sep 22, 2026. 1 tracked vendor, Verda, names Checkmk as a subprocessor.

Subprocessors CSV of Checkmk's subprocessors · Atom feed of Checkmk's subprocessors DORA draft CSV of Checkmk's subprocessors as declared by Checkmk what's this? · 

6 third parties, 1 affiliate.

NamePurposeLocationListed since
Algolia Search the Checkmk platformfunctionality within Germany; Cloud USA
Atlassian Pty Ltd Service desk infrastructure for the provision of Support Services.Germany
AWS Cloud-Infrastructure Hosting& Germany; USA
Google Cloud EMEA Limited AIAI-Feature (AI-System) using Gemini models in Vertex AI; Video conferencing platform Europe for remote live support and screen sharing(SaaS); Europe
Version 3.0 (2026-04-29) Document Classification: Public
Zoom Inc. Video conferencing platform USA for remote live support and screen sharing
Checkmk affiliates (1)
NamePurposeLocationListed since
Checkmk GmbH
For Checkmk, Cloud-Infrastructure Hosting (AWS); (AI-System) using models in functionality Checkmk Cloud (Algolia).; Support Services for the Checkmk GmbH Global Support Services as sub-processor for Checkmk, Inc.; Support Services for the Checkmk, Inc. Global Support Services as sub-processor for Checkmk GmbH
Germany; Inc.: Europe; USA & AI-Feature Gemini Vertex AI; Search within the platform; USA

Web TechnologiesCSV of Checkmk's web technologies · Atom feed of Checkmk's web technologies

Checkmk's homepage made 68 requests to 2 domains, and 1 service controlled by another company.

Cookie compliance (1): CookieFirst

1 third party by category: Cookie compliance 1

Third parties 1 · 9 requests
CookieFirst CookieFirst 13% of the page's requests 9
First party 1 · 59 requests
Checkmk Bootstrap 5.2.3 Concrete CMS Google Tag Manager HSTS LazySizes Open Graph PHP PWA Swiper Vue.js 2.7.14 YouTube jQuery 3.6.3 87% of the page's requests 59

Subprocessor of (1)CSV of the companies listing Checkmk · Atom feed of the companies listing Checkmk

1 company
  • Verda verda.com Cloud monitoring; Privacy policy:

ComplianceCSV of Checkmk's compliance · Atom feed of Checkmk's compliance

Certified
Says it complies with

Certifications as Checkmk's trust center lists them; reports are usually shared on request (evidence)

Service statusCSV of Checkmk's status page incidents · Atom feed of Checkmk's status page incidents

Aug 15: no incident reportedAug 16: no incident reportedAug 17: no incident reportedAug 18: no incident reportedAug 19: no incident reportedAug 20: no incident reportedAug 21: no incident reportedAug 22: no incident reportedAug 23: no incident reportedAug 24: no incident reportedAug 25: no incident reportedAug 26: no incident reportedAug 27: no incident reportedAug 28: no incident reportedAug 29: no incident reportedAug 30: no incident reportedAug 31: no incident reportedSep 1: no incident reportedSep 2: no incident reportedSep 3: no incident reportedSep 4: no incident reportedSep 5: no incident reportedSep 6: no incident reportedSep 7: no incident reportedSep 8: no incident reportedSep 9: no incident reportedSep 10: no incident reportedSep 11: no incident reportedSep 12: no incident reportedSep 13: no incident reportedSep 14: no incident reportedSep 15: no incident reportedSep 16: no incident reportedSep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: no incident reportedSep 23: no incident reportedSep 24: no incident reportedSep 25: no incident reportedSep 26: no incident reportedSep 27: no incident reportedSep 28: no incident reportedSep 29: no incident reportedSep 30: no incident reportedOct 1: no incident reportedOct 2: no incident reportedOct 3: no incident reportedOct 4: no incident reportedOct 5: no incident reportedOct 6: no incident reportedOct 7: no incident reportedOct 8: no incident reportedOct 9: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: no incident reportedOct 13: no incident reportedOct 14: no incident reportedOct 15: no incident reportedOct 16: no incident reportedOct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: no incident reportedOct 21: no incident reportedOct 22: no incident reportedOct 23: no incident reportedOct 24: no incident reportedOct 25: no incident reportedOct 26: no incident reportedOct 27: no incident reportedOct 28: no incident reportedOct 29: no incident reportedOct 30: no incident reportedOct 31: no incident reportedNov 1: no incident reportedNov 2: no incident reportedNov 3: no incident reportedNov 4: no incident reportedNov 5: no incident reportedNov 6: no incident reportedNov 7: no incident reportedNov 8: no incident reportedNov 9: no incident reportedNov 10: no incident reportedNov 11: no incident reportedNov 12: no incident reported

90 days agotoday

  • 0 incidents in 90 days
  • 0 major or critical
BeganIncidentImpactLasted
Email notifications are not being deliveredno impact stated39 min
License activation is temporarily impairedno impact stated6 h 36 min
We are investigating authentication issues with Checkmk SaaS Sitesno impact stated41 min

Incidents per month

0 2 4 Dec 2025: 1 incident (1 no impact stated) · typical time to resolve 6 h 36 min Jan 2026: 0 incidents Feb 2026: 0 incidents Mar 2026: 0 incidents Apr 2026: 0 incidents May 2026: 1 incident (1 no impact stated) · typical time to resolve 39 min Jun 2026: 0 incidents Jul 2026: 0 incidents Aug 2026: 0 incidents Sep 2026: 0 incidents Oct 2026: 0 incidents Nov 2026: 0 incidents Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep Oct Nov

critical major minor no impact stated

As Checkmk's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

Incidents reported by Checkmk's subprocessorsCSV of incidents reported by vendors Checkmk lists · Atom feed of incidents reported by vendors Checkmk lists

17 reported incidents in the last 30 days, by 1 of the vendors Checkmk lists as a subprocessor.

A subprocessor list names a company, not the service an incident touched. This does not show that Checkmk was involved.

DateCompanyIncidentImpactLasted
ZoomService Degradation Affecting Zoom Conference Room Connector Services Endpoints in the AMS region. minor2 h 35 min
ZoomService Degradation Affecting a subset of users with ZVA and ZoomMate no impact stated1 min
ZoomService Degradation Affecting Zoom Inbound SMS Service in the AU region minor1 h
ZoomService Degradation Affecting Zoom Mail, Calendar and Scheduler. minor1 h 37 min
ZoomService Degradation Affecting Outbound MMS Services in the US region minor7 h 51 min
ZoomService Degradation Affecting the Evaluations Acknowledge Button in Zoom Quality Management in the US Region minor16 h 35 min
ZoomService Degradation Affecting Multiple Zoom Services minor46 min
ZoomService Degradation Affecting Zoom Meetings Services in the US. minor22 h 18 min
ZoomService Degradation Affecting Zoom Learning Webpage minor1 h 41 min
ZoomService Degradation Affecting Meeting Summaries Via Email. minor1 h 50 min
ZoomService Degradation Affecting Zoom Website in UK region minor9 h 58 min
ZoomService Degradation Affecting ZP SMS Australia Mobile Numbers no impact stated16 min
ZoomService Degradation Affecting Zoom Chat Compose and SMS Summarisation with AI Companion minor46 min
ZoomService degradation affected Zoom AI Companion in US region no impact stated15 min
ZoomService Degradation Affected Sandbox Creation in ZoomMate no impact stated5 min
ZoomService Degradation Affecting Zoom Clips minor19 h 38 min
ZoomService degradation affecting Zoom Meeting API in US region no impact stated6 h 49 min

Who is around them.

ChangesCSV of Checkmk's changes · Atom feed of Checkmk's changes

See the list as we read it on any date: Time machine

None since tracking began.

Rating badge for Checkmk's site

Checkmk transparency rating

It updates with the rating.

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