What open source alternatives exist if we cannot afford enterprise IBM QRadar SIEM replacement options this fiscal year?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What open source alternatives exist if we cannot afford enterprise IBM QRadar SIEM replacement options this fiscal year?
4 real searches · 1 real-search pass
2026 open source SIEM alternatives to IBM QRadar Wazuh Security Onion OpenSearch Security Analytics features licensingGoogle ↗
OBSERVEDComparison
Wazuh documentation SIEM XDR architecture agents log analysis vulnerability detection 2026Google ↗
OBSERVEDOther / navigational
Security Onion documentation features network security monitoring host visibility elasticsearch 2026Google ↗
OBSERVEDOther / navigational
OpenSearch Security Analytics documentation detectors log types rules 2026Google ↗
OBSERVEDOther / navigational
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (4)
Classes come from the query-classifier (a local Laya model). 3 of 4 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT4 real searches · gpt-6
2026 open source SIEM alternatives to IBM QRadar Wazuh Security Onion OpenSearch Security Analytics features licensing Google ↗
Wazuh documentation SIEM XDR architecture agents log analysis vulnerability detection 2026 Google ↗
Security Onion documentation features network security monitoring host visibility elasticsearch 2026 Google ↗
OpenSearch Security Analytics documentation detectors log types rules 2026 Google ↗
- Wazuh official documentation · documentation.wazuh.com
- Website · wazuh.com
- Security Onion documentation · docs.securityonion.net
- Website · securityonion.net
- OpenSearch Security Analytics · docs.opensearch.org
- Graylog · graylog.org
- UTMStack · utmstack.com
- Architecture - Getting started with Wazuh · documentation.wazuh.com
- Components - Getting started with Wazuh · documentation.wazuh.com
- Introduction · docs.securityonion.net
- Open Source SIEM: 7 Best Free SIEM Tools (2026 Guide) · whycrew.com
- Open Source SIEM Tools: 7 Best Compared, Licenses Checked · utmstack.com
- The (Definitive) List of Open Source SIEM Platforms Worth Evaluating · filigran.io
Queries
4 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
2026 open source SIEM alternatives to IBM QRadar Wazuh Security Onion OpenSearch Security Analytics features licensing OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 | |
Wazuh documentation SIEM XDR architecture agents log analysis vulnerability detection 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
Security Onion documentation features network security monitoring host visibility elasticsearch 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
OpenSearch Security Analytics documentation detectors log types rules 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 |