Act Free Assessment vs APT Simulator: side-by-side comparison (2026)
Act Free Assessment is a free breach & attack simulation solution by Act. APT Simulator is a free breach & attack simulation solution. Features, integrations, deployment and the company behind each one, side by side.
Free read-only cloud attack path simulation covering 5 real attack scenarios.
APT Simulator is a tool for simulating a compromised system on Windows.
Side-by-side comparison
Feature
Act Free Assessment
APT Simulator
Pricing model
Free
Free
Category
Breach & Attack Simulation
Breach & Attack Simulation
Deployment and fit
Deployment type
Cloud
On-Premises
Company size fit
Startup, SMB, Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Open source
GitHub stars
–
2,722
Last commit
–
Sep 2025
Company
Company
Act
–
Use cases and capabilities
Attack Paths
Yes
No
Least Privilege
Yes
No
Data Exfiltration
Yes
No
Agentic AI Security
Yes
No
Cloud Native
Yes
No
Lateral Movement
Yes
No
Permissions
Yes
No
Security Validation
Yes
No
Visualization
Yes
No
Windows
No
Yes
APT
No
Yes
Core features
9 features listed
No features listed
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