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Free cybersecurity in the Top 11

3 providers in the Top 11 Top 11 SIEM Software offer a free tier; the most credible is Elastic Security.

Why this answer

Filtered to entries with a published free tier (not just a free trial). When the pricing page is ambiguous we err conservative — paid-only by default.

Showing all 3 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked Top 11 SIEM Software.

  1. #1Elastic Security(rank #5 in Top 11 SIEM Software)

    Free tier

    Search-driven SIEM at lower data cost.

    Full Elastic Security review · Compare: Elastic Security vs Sumo Logic · Alternatives

  2. #2Sumo Logic(rank #9 in Top 11 SIEM Software)

    Free tier

    Cloud SIEM sharing a platform with log analytics.

    Full Sumo Logic review · Alternatives

  3. #3Wazuh(rank #11 in Top 11 SIEM Software)

    Free tier

    Free open-source SIEM and XDR you host yourself.

    Full Wazuh review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .