Wazuh vs OSSEC: Which is Better in 2026?
Choosing between Wazuh and OSSEC comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Wazuh wins this matchup. Pick OSSEC if you need security.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Wazuh
Open-source security monitoring
Best for you if:
- • You want open source SIEM
OSSEC
Open-source host intrusion detection
Best for you if:
- • You want open source HIDS
| At a Glance | OSSEC | |
|---|---|---|
Starts at | Free 100% free | Free 100% free |
Category | Security Monitoring Vulnerability Scanning | Security Monitoring |
Rating | 4.5/5 G2 4.5 71 reviews | 4.6/5 G2 4.6 10 reviews |
Free plan | Yes | Yes |
Choose Wazuh or OSSEC?
Choose Wazuh if
- You want open source SIEM
- You want good features
- You work in security monitoring, not security
Choose OSSEC if
- You want open source HIDS
- You want good intrusion detection
- You work in security, not security monitoring
In-Depth Analysis
Wazuh
Open-source security monitoring
Wazuh's pricing is exceptionally generous, offering a full-featured open-source SIEM/XDR solution for $0.
Strengths
- Pro: Open source SIEM
- Pro: Good features
- Pro: Self-hostable
- Pro: Active development
- Pro: Free
Weaknesses
- Con: Complex setup
- Con: Learning curve
- Con: Resource intensive
- Con: Documentation gaps
- Con: Enterprise features paid
Key features
OSSEC
Open-source host intrusion detection
OSSEC's pricing is exceptionally generous as it is entirely free.
Strengths
- Pro: Open source HIDS
- Pro: Good intrusion detection
- Pro: Self-hostable
- Pro: Active community
- Pro: Free
Weaknesses
- Con: Complex setup
- Con: Learning curve
- Con: UI limited
- Con: Documentation dated
- Con: Resource usage
Key features
Pricing: Wazuh vs OSSEC
| Plan | Wazuh | OSSEC |
|---|---|---|
| Tier 1 | Free Open Source | Free Free |
| Tier 2 | Free Cloud | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Wazuh pricing and OSSEC pricing.
Key Takeaways
Wazuh
- Larger review base (71 reviews)
- Completely free
- Our pick for this comparison
OSSEC
- Better fit for security
The Bottom Line
Wazuh wins this matchup.
Frequently Asked Questions
Is Wazuh or OSSEC better in 2026?
Wazuh wins this matchup. Pick Wazuh for security monitoring workflows (main strength: open source SIEM). Pick OSSEC for security workflows (main strength: open source HIDS).
What are Wazuh and OSSEC used for?
Wazuh: Open-source security monitoring. OSSEC: Open-source host intrusion detection.
What does Wazuh cost vs OSSEC?
Wazuh is free. OSSEC is free.
What's the main difference between Wazuh and OSSEC?
Wazuh's main strength: open source SIEM. OSSEC's main strength: open source HIDS.