1stProtect.ai vs File Scanning Framework (FSF) v1.1: Side-by-Side Comparison (2026)

1stProtect.ai: Runtime enforcement platform with 22 modules on one SIGMA engine, offline-capable. built by 1stProtect.ai. Core capabilities include Single user-space SIGMA engine replacing multiple legacy security engines (EPP, EDR, DLP, IAM, ITDR, SASE), 22 protection modules covering credential theft, ransomware, data exfiltration, process injection, browser attacks, and agent self-defense, Offline-first policy enforcement with local policy engine cached in kernel memory — no cloud dependency required..

File Scanning Framework (FSF) v1.1: FSF is a modular, recursive file scanning solution that enables analysts to extend the utility of Yara signatures and define actionable intelligence within a file..

Both serve the Detection Engineering market but differ in approach, feature depth, and target audience.

1stProtect.ai is developed by 1stProtect.ai. File Scanning Framework (FSF) v1.1 is open-source with 294 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

1stProtect.ai and File Scanning Framework (FSF) v1.1 serve similar Detection Engineering use cases: both are Detection Engineering tools. Key differences: 1stProtect.ai is Commercial while File Scanning Framework (FSF) v1.1 is Free, File Scanning Framework (FSF) v1.1 is open-source. Review the feature comparison above to determine which fits your requirements.