Features, pricing, ratings, and pros and cons, compared head to head.
Act Free Assessment is a free breach & attack simulation tool by Act. Stratus Red Team is a free breach & attack simulation tool. Compare features, ratings, integrations, and community reviews side by side to find the best breach & attack simulation fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
Based on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Cloud security teams validating their detection and response capabilities need Stratus Red Team because it lets you run MITRE ATT&CK-mapped attacks against your own cloud environment without vendor lock-in or licensing friction. The framework ships with granular, self-contained techniques across AWS, Azure, and GCP, meaning you're not waiting on managed red team engagements to test whether your security controls actually work. Skip this if you're looking for a platform that simulates supply chain attacks or physical security scenarios; Stratus stays narrowly focused on cloud infrastructure, which is exactly why it's effective at that job.
Free read-only cloud attack path simulation covering 5 real attack scenarios.
A cloud-focused attack simulation framework that provides granular, self-contained offensive techniques mapped to MITRE ATT&CK for red team exercises.
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Common questions about comparing Act Free Assessment vs Stratus Red Team for your breach & attack simulation needs.
Act Free Assessment: Free read-only cloud attack path simulation covering 5 real attack scenarios. built by Act. Core capabilities include Read-only, agentless attack simulation deployed in under 5 minutes, 5 real attack scenarios validated in the customer's live environment, Step-by-step access chain visualization from entry points to production data..
Stratus Red Team: A cloud-focused attack simulation framework that provides granular, self-contained offensive techniques mapped to MITRE ATT&CK for red team exercises..
Both serve the Breach & Attack Simulation market but differ in approach, feature depth, and target audience.
Act Free Assessment is developed by Act. Stratus Red Team is open-source with 2,147 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Act Free Assessment and Stratus Red Team serve similar Breach & Attack Simulation use cases: both are Breach & Attack Simulation tools. Key differences: Stratus Red Team is open-source. Review the feature comparison above to determine which fits your requirements.
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