We need to replace IBM QRadar SIEM because of budget cuts at the firm where I am interning so what open source log management tools exist
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
We need to replace IBM QRadar SIEM because of budget cuts at the firm where I am interning so what open source log management tools exist
4 real searches · 1 real-search pass
open source SIEM alternatives Wazuh Security Onion OpenSearch SIEM Graylog documentation comparison 2026Google ↗
OBSERVED
Wazuh documentation SIEM capabilities log collection detection rules vulnerability detectionGoogle ↗
OBSERVED
Security Onion documentation features SIEM network security monitoringGoogle ↗
OBSERVED
OpenSearch Security Analytics documentation detectors rules findingsGoogle ↗
OBSERVED
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.
Classifying 4 queries…
Searches and sources
ChatGPT4 real searches · gpt-6
open source SIEM alternatives Wazuh Security Onion OpenSearch SIEM Graylog documentation comparison 2026 Google ↗
Wazuh documentation SIEM capabilities log collection detection rules vulnerability detection Google ↗
Security Onion documentation features SIEM network security monitoring Google ↗
OpenSearch Security Analytics documentation detectors rules findings Google ↗
- Wazuh · wazuh.com
- SIEM: Open source security monitoring platform · wazuh.com
- Components - Getting started with Wazuh · documentation.wazuh.com
- wazuh-documentation/source/user-manual/capabilities/log-data-collection/how-it-works.rst at main · wazuh/wazuh-documentation · github.com
- Security Onion · securityonion.net
- The (Definitive) List of Open Source SIEM Platforms Worth Evaluating · filigran.io
- Best open source SIEM tools 2026: free, defensible, and where to be careful · primedefence.io
- OpenSearch · opensearch.org
- About Security Analytics · docs.opensearch.org
- GitHub - opensearch-project/security-analytics: Security Analytics enables users for detecting security threats on their security event log data. It will also allow them to modify/tailor the pre-packaged solution. · github.com
- Graylog · graylog.org
- Top 13 Open Source SIEM Tools · aimultiple.com
- Top 15 Graylog Alternatives [Open Source] in 2026 · itechguides.com
- Elastic · elastic.co
- Open-source SIEM tools 2026: A complete guide · manageengine.com
- OSSEC · ossec.net
- Top 5 free open source SIEM tools in 2025 · research.aimultiple.com
- Data analysis · documentation.wazuh.com
- Security Analytics · opensearch.org
Queries
4 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
open source SIEM alternatives Wazuh Security Onion OpenSearch SIEM Graylog documentation comparison 2026 OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
Wazuh documentation SIEM capabilities log collection detection rules vulnerability detection OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
Security Onion documentation features SIEM network security monitoring OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
OpenSearch Security Analytics documentation detectors rules findings OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 |