Act Free Assessment vs TrojAI Defend: Side-by-Side Comparison (2026)

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..

TrojAI Defend: AI firewall for runtime protection of AI models, applications, and agents. built by Troj AI. Core capabilities include Real-time monitoring and blocking of AI inputs and outputs, Protection against prompt injection attacks, Jailbreaking prevention..

Both serve the Breach & Attack Simulation market but differ in approach, feature depth, and target audience.

Act Free Assessment differentiates with 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. TrojAI Defend differentiates with Real-time monitoring and blocking of AI inputs and outputs, Protection against prompt injection attacks, Jailbreaking prevention.

Act Free Assessment is developed by Act. TrojAI Defend is developed by Troj AI. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Act Free Assessment and TrojAI Defend serve similar Breach & Attack Simulation use cases. Key differences: Act Free Assessment is Free while TrojAI Defend is Commercial. Review the feature comparison above to determine which fits your requirements.