2025 has been our best year ever! Let's take a look at how Security Onion has improved this year.
Security Onion 2.4.120
https://blog.securityonion.net/2025/02/security-onion-24120-now-available.html
- Community
- Added our new AI Summary feature directly into the Alerts interface
- New Local IP Lookup Feature
- Additional Zeek parsers
- ATT&CK Navigator Improvements
- Elastic Agent MSI
- Improved SOC Cases Escalation
- Updated components
- Pro
- External API (https://docs.securityonion.net/en/2.4/connect.html)
Security Onion 2.4.130
https://blog.securityonion.net/2025/03/security-onion-24130-now-available.html
- Community:
- Updated Elastic Stack including support for all Elastic integrations
- Alerts Advanced interface can now be permanently enabled
- SOC Configuration interface is now even easier to use
- Additional Zeek parsers
- Updated components
- Pro:
- Active Query Management (https://docs.securityonion.net/en/2.4/aqm.html)
Security Onion 2.4.140
https://blog.securityonion.net/2025/03/security-onion-24140-now-available.html
- Community:
- SOC Config Improvements
- Updated components
Security Onion 2.4.150
https://blog.securityonion.net/2025/05/security-onion-24150-celebrating.html
- Community:
- Improvements to Elasticsearch deletion process
- Updated components
- Pro:
- Manager of Managers (https://docs.securityonion.net/en/2.4/mom.html)
Security Onion 2.4.160
https://blog.securityonion.net/2025/06/security-onion-24160-now-available.html
- Community:
- Playbooks and Guided Analysis
- Updated components
- Pro:
- MCP Server (https://docs.securityonion.net/en/2.4/mcp.html)
- Security Onion App for Splunk (https://docs.securityonion.net/en/2.4/splunk.html)
Security Onion 2.4.170
https://blog.securityonion.net/2025/08/security-onion-24170-now-available.html
- Community:
- JA4 Support
- More dashboards
- Updated components
- Pro:
Security Onion 2.4.180
https://blog.securityonion.net/2025/09/security-onion-24180-now-available.html
- Community:
- Alert on Offline Agents
- Cancel Your Own Long Running SOC Query
- Enable Static Hostname Mapping without Reverse DNS Lookups
- Updated Components
- Pro:
- Manager Hypervisor (https://docs.securityonion.net/en/2.4/hypervisor.html)
- Reporting (https://docs.securityonion.net/en/2.4/reports.html)
Security Onion 2.4.190
https://blog.securityonion.net/2025/10/security-onion-24190-now-available.html
- Community:
- Updated components
- Pro:
- More hypervisor improvements (https://docs.securityonion.net/en/2.4/hypervisor.html)
- Onion AI Assistant (https://docs.securityonion.net/en/2.4/assistant.html)
Security Onion 2.4.200
https://blog.securityonion.net/2025/12/security-onion-24200-now-available-with.html
- Community:
- Updated components
- Pro:
- Major improvements to Onion AI Assistant (https://docs.securityonion.net/en/2.4/assistant.html)
Conclusion
2025 has been our best year ever! We've got some amazing things planned for 2026 so stay tuned!
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