1. AttackIQ
4.5/5Paid
Breach and attack simulation platform validating security controls against MITRE ATT&CK.
Top 5 Nagomi Proactive Defense Alternatives in 2026
Updated May 2026 · Threat Simulation & BAS
Why Look for Alternatives?
Nagomi Proactive Defense is a popular choice in the Threat Simulation & BAS space, but it is not the only option worth evaluating. Teams may seek alternatives due to pricing concerns, feature gaps, deployment constraints, or a need for open-source flexibility. The 5 Threat Simulation & BAS tools below — ranked by community rating — cover the realistic replacement and complement scenarios you should consider before committing to Nagomi Proactive Defense for the long term.
Comparison Table
| Tool | Rating | Pricing | Open Source | Best For |
|---|---|---|---|---|
| 1. AttackIQ | 4.5/5 | Paid | N | enterprise teams needing Threat Simulation & BAS |
| 2. Cymulate | 4.5/5 | Enterprise | N | enterprise teams needing Threat Simulation & BAS |
| 3. SafeBreach | 4.4/5 | Enterprise | N | enterprise teams needing Threat Simulation & BAS |
| 4. Filigran OpenBAS | 4.2/5 | Free/OSS | Y | budget-conscious teams needing Threat Simulation & BAS |
| 5. Interpres Security | 4.2/5 | Enterprise | N | enterprise teams needing Threat Simulation & BAS |
Top 5 Nagomi Proactive Defense Alternatives
2. Cymulate
4.5/5Enterprise
Continuous security validation platform with BAS exposure management and automated red teaming.
3. SafeBreach
4.4/5Enterprise
Breach and attack simulation with continuous security validation and risk-based remediation.
4. Filigran OpenBAS
4.2/5Free/OSS · Open Source
Open-source breach and attack simulation platform by the OpenCTI team for security validation.
5. Interpres Security
4.2/5Enterprise
Threat exposure analytics platform mapping defensive coverage gaps against active threat actor TTPs
Frequently Asked Questions
What is the best free alternative to Nagomi Proactive Defense?
Filigran OpenBAS is the strongest free or open-source alternative to Nagomi Proactive Defense in the Threat Simulation & BAS category, with a community rating of 4.2/5.
Is AttackIQ better than Nagomi Proactive Defense?
AttackIQ carries a community rating of 4.5/5 vs 4.3/5 for Nagomi Proactive Defense. "Better" depends on your specific use case — pricing, deployment model, integrations, and support requirements all factor in. Compare both tools in detail before deciding.
How many Nagomi Proactive Defense alternatives exist?
There are 5 other tools in the Threat Simulation & BAS category in our directory. We feature the top 5 above, ranked by editorial rating. Browse all alternatives →