Managed SIEM
Managed SIEM Providers
Managed SIEM providers help collect, normalize, monitor, tune, and investigate security logs. Some bring a hosted SIEM; others operate Splunk, Microsoft Sentinel, Google SecOps, QRadar, Elastic, or another SIEM the buyer already owns.
How to use this list
Use this page for
- Buyers who need help running SIEM and log monitoring, especially when alert volume, tuning, retention, or data cost has become difficult to manage.
Compare first
- Hosted SIEM vs bring-your-own SIEM, data pricing, supported log sources, detection tuning, investigation ownership, and compliance reporting.
Ask vendors
- Which SIEM platforms do you operate directly?
- How are log volume, retention, and extra data sources priced?
- Who writes, tunes, and maintains detection content?
11 providers
24/7 MDR through Arctic Wolf's Aurora platform, Concierge Security Team guidance and supported Active Response containment workflows
You still own Choosing the MDR bundle, Concierge tier, add-ons, warranty eligibility and retention scope
A co-managed security operations platform that combines SIEM-style log collection, UEBA, SOAR automation, compliance reporting and 24/7 MDR support
You still own Connecting the right data sources and validating what each source is used for
Managed detections, cloud SIEM visibility, guided findings and edition-based containment actions in Blumira's own platform
You still own Connecting cloud, identity, endpoint, firewall and SaaS sources and keeping permissions current
24/7 MDR with analyst investigation, AI-assisted correlation, identity and asset context through Meridian, customer-specific detection and response paths, optional tool management and approved containment actions.
You still own Defining rules of engagement and which containment actions Cyderes can take without approval
24/7 co-managed MDR with alert validation, investigation, threat hunting, detection engineering, response workflow support, named experts and a shared Security Center layered over supported buyer tools.
You still own Keeping SIEM, EDR, cloud, identity and SaaS telemetry connected and useful
Co-managed Open XDR with managed SIEM, 24/7 SOC monitoring, workflow automation, threat hunting, log retention, compliance reporting and package-dependent endpoint, vulnerability and incident-support options.
You still own Choosing which endpoints, cloud services, identity systems, network tools and SaaS sources are in scope
Outsourced SOC coverage with managed SIEM, MDR, threat hunting, triage and scoped containment across existing tools
You still own Approving response authority, escalation contacts and any actions that touch production systems
24/7 SOC monitoring, analyst investigation, hosted or customer-owned SIEM operations, threat hunting, case management, guided remediation and optional Active Defense containment across supported tools.
You still own Choosing and licensing the SIEM, EDR, identity, cloud and ticketing tools in scope
24/7 SOC monitoring, alert validation, investigation, exposure-informed prioritization, threat hunting, incident-response support, Rapid7 SIEM visibility, unlimited log ingestion in published packages, 13-month retention and configured Active Response containment.
You still own Scoping protected endpoints, servers, networks and third-party event sources
24/7 MXDR over Todyl's managed SIEM and security stack, with transparent cases, live analyst access and a dedicated DRAM
You still own Selecting the Todyl package and deciding which modules, tenants and data sources are in scope
24/7 SOC monitoring, SIEM alert investigation, incident classification and escalation for a SIEM the buyer already owns
You still own Owning or hosting the SIEM instance and the underlying log sources
Market context
Managed SIEM is not the same thing as full MDR or SOCaaS. A managed SIEM provider may run the logging and detection layer while the buyer still owns endpoint response, containment, and incident management. Other providers bundle managed SIEM into a broader MDR or SOC service.
The practical buying question is whether the provider reduces SIEM workload or simply adds another alert feed. Strong managed SIEM services should clarify data ingestion, detection engineering, tuning, escalation, reporting, and whether they can work with the buyer’s existing tools.