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Best Intrusion Detection and Prevention Software in 2026

Updated

35 intrusion detection and prevention software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

35ranked
0free plans on this page
4 Oct 2026last checked

Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score

  1. 26 Zyxel Intrusion Prevention System No phone app RecognisedPhone appDocumentedFree plan 5.3 Deployment model: applianceNetwork scope: networkInline blocking: Yes
  2. 27 scanlogd No phone app RecognisedPhone appDocumentedFree plan 5.2 Deployment model: softwareNetwork scope: multi-scopeInline blocking: No
  3. 28 Atomic OSSEC No phone app RecognisedPhone appDocumentedFree plan 5.1 Deployment model: hybridNetwork scope: multi-scope
  4. 29 Clear NDR - Enterprise No phone app RecognisedPhone appDocumentedFree plan 5.1 Deployment model: hybridNetwork scope: network
  5. 30 RdpGuard No phone app RecognisedPhone appDocumentedFree plan 5.1 Deployment model: softwareNetwork scope: hostInline blocking: Yes
  6. 31 Stormshield Management Center No phone app RecognisedPhone appDocumentedFree plan 5.1 Deployment model: hybrid
  7. 32 WatchGuard Firebox No phone app RecognisedPhone appDocumentedFree plan 5.1 Deployment model: hybrid
  8. 33 Forcepoint Next Generation Firewall No phone app RecognisedPhone appDocumentedFree plan 5.0 Deployment model: hybrid
  9. 34 Sophos Central Firewall Management No phone app RecognisedPhone appDocumentedFree plan 4.9 Deployment model: cloud
  10. 35 Oracle Cloud Infrastructure DNS No phone app RecognisedPhone appDocumentedFree plan 4.8

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