1stProtect.ai vs Nucleon Nucleon EDR: 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..

Nucleon Nucleon EDR: EDR solution with Zero Trust architecture and AI-based malware detection. built by Nucleon Security. Core capabilities include Zero Trust verification of system events, AI-based malware and ransomware detection, User activity learning and behavior analysis..

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. Nucleon Nucleon EDR differentiates with Zero Trust verification of system events, AI-based malware and ransomware detection, User activity learning and behavior analysis.

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

1stProtect.ai integrates with Splunk, Datadog, Elastic, Sumo Logic, Okta and 14 more. Nucleon Nucleon EDR integrates with SIEM. Check integration compatibility with your existing security stack before deciding.

1stProtect.ai and Nucleon Nucleon EDR 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.