1stProtect.ai vs FireEye Endpoint Security APIs: 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..

FireEye Endpoint Security APIs: APIs for FireEye endpoint security management and monitoring operations. built by FireEye. Core capabilities include Endpoint information and data access, Alert management and querying, Endpoint containment operations..

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

1stProtect.ai differentiates with 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. FireEye Endpoint Security APIs differentiates with Endpoint information and data access, Alert management and querying, Endpoint containment operations.

1stProtect.ai is developed by 1stProtect.ai. FireEye Endpoint Security APIs is developed by FireEye. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

1stProtect.ai and FireEye Endpoint Security APIs serve similar Endpoint Detection and Response use cases: both are Endpoint Detection and Response tools. Review the feature comparison above to determine which fits your requirements.