CoreWeave
CoreWeave declares 2 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They are Microsoft and Backblaze. No published changes since we first read it on Sep 22, 2026. 14 tracked vendors name CoreWeave as a subprocessor, including OpenAI, Cloudflare and Fireworks.
Includes: wandb
Not loaded by any published homepage.
Subprocessors CSV of CoreWeave's subprocessors · Atom feed of CoreWeave's subprocessors DORA draft CSV of CoreWeave's subprocessors as declared by CoreWeave what's this? ·
2 third parties.
| Name | Purpose | Location | Listed since |
|---|---|---|---|
| Backblaze, Inc. | United States | ||
| Microsoft Corporation | United States |
Web TechnologiesCSV of CoreWeave's web technologies · Atom feed of CoreWeave's web technologies
CoreWeave's homepage made 245 requests to 39 domains, 17 services controlled by another company, and 1 domain not identified.
17 third parties by category: Advertising 6Analytics 5Marketing automation 3A/B Testing 1Cookie compliance 1Other 1
pixeltracker.co
11 tracked companies loaded by the homepage are not in CoreWeave's subprocessor list. A website can use a service without it processing customer data.
Subprocessor of (14)CSV of the companies listing CoreWeave · Atom feed of the companies listing CoreWeave
Baseten baseten.co Cloud Compute
Cloudflare cloudflare.com Workers AI
Cursor cursor.com Inference Provider; Inference infrastructure provider for hosting and serving first party AI models.
Daytona daytona.io Cloud Infrastructure
Decagon decagon.ai Infrastructure Provider providing hosting services, storage and AI services
Fireworks fireworks.ai Infrastructure Provider; [CoreWeave Security & Compliance](
marimo marimo.io Notebook execution, kernel runtime, and application hosting for molab
Mistral mistral.ai Inference Provider; Products: All SaaS
OpenAI openai.com Cloud infrastructure
Read AI read.ai Compute Infrastructure
Replicate replicate.com Cloud Hosted infrastructure
Rev rev.com GPU training and inference cloud platform
Topaz Labs topazlabs.com
TypeSafe AI typesafe.ai AI Infrastructure; Customer AI prompts are processed, but not stored, on compute nodes managed by CoreWeave
ComplianceCSV of CoreWeave's compliance · Atom feed of CoreWeave's compliance
Security program
How CoreWeave says it manages cybersecurity risk, in its annual report to the SEC.
- Led by
- Chief Information Security Officer
quote
Overall accountability resides with the CISO, who oversees the company's cybersecurity program.
- Board oversight
- Board of Directors
quote
Cybersecurity risk posture and mitigation progress are periodically reported to executive leadership and the board of directors to support oversight and informed decision making.
- Frameworks named
- ISO 27001
- SOC 2
quote
We align our security and compliance programs with industry-standard frameworks, including SOC 2 and ISO/IEC 27001, and require cloud infrastructure and data center colocation providers to maintain compliance with these frameworks throughout the term of their contracts.
- Outside review
- Engages outside assessors or consultants
quote
We engage external assessors, including independent security firms and certification bodies, to evaluate the effectiveness of our controls and support our compliance obligations.
- Its own suppliers
- Reviews their security
quote
Our CISO is supported by dedicated information-security personnel who manage day-to-day security operations, including security engineering, secure development, vulnerability management, detection and response, offensive security, security and privacy compliance, third-party risk management, security risk management, security policy and education, detection and response, cyber, geopolitical, and physical threat intelligence, insider-threat monitoring, and global resiliency and crisis response.
- Practices named
- Penetration testing
- Vulnerability management
- Threat intelligence
- Material incidents
- None so far, it says
quote
To date, we have not experienced any cybersecurity incidents that have materially affected our business strategy, results of operations, or financial condition.
Read Item 1C in full
Risk management and strategy
We understand that data security is essential for privacy, compliance, and trust and maintain a cybersecurity risk management program designed to identify, evaluate, and manage risks through structured engagement with security domain leaders. Risks are assessed based on potential impact and likelihood, tracked in a centralized risk register, and managed through defined risk treatment decisions and ongoing monitoring. Cybersecurity risk posture and mitigation progress are periodically reported to executive leadership and the board of directors to support oversight and informed decision making.
Material cybersecurity risks and associated threats are managed through a layered defense approach that integrates security governance, dedicated security leadership, and formal policies with technical and operational controls. These include access management, multi-factor authentication, device and configuration controls, secure development and platform-delivery practices, continuous monitoring, and threat detection and response capabilities. Preparedness is further supported by documented incident-response plans, business-continuity and disaster-recovery procedures, retained forensic resources, cyber-insurance coverage, and regular penetration testing. These processes are embedded within our broader
enterprise risk-management framework. Cybersecurity risks are evaluated alongside operational and strategic risks and are incorporated into our company-wide risk assessments and reporting mechanisms. We engage external assessors, including independent security firms and certification bodies, to evaluate the effectiveness of our controls and support our compliance obligations. We align our security and compliance programs with industry-standard frameworks, including SOC 2 and ISO/IEC 27001, and require cloud infrastructure and data center colocation providers to maintain compliance with these frameworks throughout the term of their contracts. We maintain policies, processes, and procedures to oversee cybersecurity risks associated with third-party service providers, which include security due-diligence assessments, ongoing monitoring, and contractual requirements addressing security controls and incident-notification obligations. These processes help ensure that third-party relationships do not introduce unacceptable cybersecurity exposure.
We continuously evaluate cybersecurity threats as part of our broader risk-management processes. To date, we have not experienced any cybersecurity incidents that have materially affected our business strategy, results of operations, or financial condition. Based on our current assessments, we do not believe that any known cybersecurity risks are reasonably likely to materially affect the company. We identify and address higher-risk cybersecurity threats through established monitoring, mitigation, and incident-response processes, which are designed to manage potential impacts before they escalate into material issues, including through coordination with legal, finance, external security advisors, and governmental agencies. For more information on our cybersecurity related risks, see Risks related to Our Business and Industry in Part I, Item 1A of this Annual Report on Form 10-K, including "A network or data security incident against us, or our third-party providers, whether actual, alleged, or perceived, could harm our reputation, create liability and regulatory exposure, and adversely impact our business, operating results, financial condition, and prospects."
Governance
Our Board of Directors provides direct oversight of risks arising from cybersecurity threats. Cybersecurity oversight is handled by the full Board rather than a separate committee. The Chief Information Security Officer ("CISO") briefs the Board on an annual basis, providing updates on key cybersecurity risks, program status, significant developments, and progress against our strategic cybersecurity goals. These regular presentations, along with additional updates as needed, inform the Board's oversight and understanding of the company's cybersecurity risk posture.
Management is responsible for assessing and managing the company's risks from cybersecurity threats through a defined leadership structure supported by specialized security teams and vetted external partners. Our cross‑functional engineering, security, legal, operations, and compliance teams coordinate to ensure our cybersecurity commitments are continuously met and maintained. Overall accountability resides with the CISO, who oversees the company's cybersecurity program. The CISO has significant security and engineering leadership experience, including prior CISO roles, and brings deep expertise in enterprise security operations, incident response, and risk management.
Our CISO is supported by dedicated information-security personnel who manage day-to-day security operations, including security engineering, secure development, vulnerability management, detection and response, offensive security, security and privacy compliance, third-party risk management, security risk management, security policy and education, detection and response, cyber, geopolitical, and physical threat intelligence, insider-threat monitoring, and global resiliency and crisis response. These teams are further supported by qualified third-party partners, including external auditors, penetration testers, and forensic firms retained for breach investigation and remediation support. Governance policies, documented procedures, and defined responsibilities enable risk-management activities to be coordinated and applied across our organization.
Management monitors the prevention, detection, mitigation, and remediation of cybersecurity incidents through continuous endpoint and security monitoring, vulnerability and configuration assessments, log-analysis workflows, and established incident-response processes. Regular business reviews provide structured oversight of these activities, and visibility across cybersecurity, engineering, and executive leadership.
Security program from CoreWeave, Inc.'s Form 10-K for fiscal 2025, filed Mar 2, 2026, Item 1C, in its words (evidence)
Service statusCSV of CoreWeave's status page incidents · Atom feed of CoreWeave's status page incidents
- no impact stated Storage Service Degradation
- no impact stated Object Storage Service Degradation in US-EAST-04
90 days agotoday
- 10 incidents in 62 days
- 0 major or critical
- 4 h 28 min typical time to resolve
| Began | Incident | Impact | Lasted |
|---|---|---|---|
| Storage Service Degradation | no impact stated | ongoing | |
| Object Storage Service Degradation in US-EAST-04 | no impact stated | ongoing | |
| Facility power incident impacting services in US-EAST-15A | no impact stated | 11 days | |
| Kubeconfig download failures | no impact stated | 1 h 6 min | |
| Object Storage and Shared File System volumes unavailable in US-CENTRAL-08A | no impact stated | 4 h 28 min | |
| Global CKS Console Outage | no impact stated | 42 min | |
| US-CENTRAL-09A Networking Incident | no impact stated | 5 h 52 min | |
| Object Storage Performance Degradation in US-CENTRAL-09A | no impact stated | 18 h 15 min |
Incidents per month
critical major minor no impact stated before or partly before our history
As CoreWeave's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)
ChangesCSV of CoreWeave's changes · Atom feed of CoreWeave's changes
See the list as we read it on any date: Time machine
None since tracking began.