1stProtect.ai vs Arc4dia Snow Sensor: 2026 Comparison

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..

Arc4dia Snow Sensor: Cross-platform EDR sensor for endpoint threat detection and telemetry. built by Arc4dia. headquartered in Canada. Core capabilities include Cross-platform endpoint detection and response, Proprietary threat detection algorithms applied to telemetry data, Monitors native binary execution and module loading..

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