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Securonix Unified Defense SIEM vs SolarWinds Security Event Manager

Both stand on siem software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Securonix Unified Defense SIEM

Paid APIWeb

Choose Securonix Unified Defense SIEM if an enterprise security team wants SIEM, behavioral analytics, automation, and threat intelligence in one cloud platform, with broad integrations and AI-supported workflows. Look elsewhere if pricing must be published up front or a 90-day retention period does not meet the team's needs.

Visit Securonix Unified Defense SIEM

SolarWinds Security Event Manager

Free trial Self-hostedWebWindows

SEM combines centralized logging, detection, response, investigation, and compliance reporting in an on-premise appliance. Its per-node pricing and infrastructure requirements should be reviewed before deployment.

Visit SolarWinds Security Event Manager

The facts

Securonix Unified Defense SIEMSolarWinds Security Event Manager
Free planNot publishedA free trial
Open sourceNot publishedNot published
Runs onAPI, WebSelf-hosted, Web, Windows
Lowest paid planFree or on requestSecurity Event Manager: $1,789 per node a month
Plans published11
MakerNot publishedNot published
Websitesecuronix.comsolarwinds.com
On siem software#21 of 29#17 of 29

Securonix Unified Defense SIEM: what it does well

  • Combines SIEM, UEBA, SOAR, threat intelligence, and autonomous detection.
  • Agentic AI automates enrichment, triage, and response with human oversight.
  • More than 750 integrations across multiple source categories.
  • Includes behavioral detection for insider threats and mapped threat models.
  • Offers analyst and SaaS administrator training courses.

What to know first

  • Pricing is available only on request.
  • Data retention is 90 days.
  • Deployment is cloud-based.

SolarWinds Security Event Manager: what it does well

  • Real-time correlation identifies threats and attack patterns
  • Automated response can block USB devices
  • File integrity monitoring includes Active Directory correlation
  • Hundreds of pre-built connectors
  • Reports cover numerous compliance frameworks

What to know first

  • No free plan
  • Costs $1,789 a month per node
  • On-premise virtual-appliance deployment
  • Data retention listed as 50 days

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