Pricing
OSSEC pricing
As ossec.net lists them, read 14 Oct 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| OSSEC+ | Registration required · hundreds of additional rules · machine learning | Free |
| OSSEC | Basic out-of-the-box ruleset · community support · self-hosted | Free |
| Atomic OSSEC | per agent; stated as under $5 per device per month · Commercial rules · GUI · vulnerability management · SIEM · professional support | $5 a month |
| Atomic OSSEC | per server per year · Volume discounts available · enterprise FIM and compliance features | $55 a year |
From ossec.net, ossec.net, atomicorp.com.