1stProtect.ai vs Defender Lens: 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..

Defender Lens: Turn Any Threat into a Detection Rule. built by DefenderLens. Core capabilities include AI rule generation from any source, Pre-deployment testing, Version control for rules..

Both serve the Detection Engineering 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. Defender Lens differentiates with AI rule generation from any source, Pre-deployment testing, Version control for rules.

1stProtect.ai is developed by 1stProtect.ai. Defender Lens is developed by DefenderLens founded in 2025-01-01T00:00:00.000Z. 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. Defender Lens integrates with Splunk, Crowdstrike Endpoint, Crowdstrike NG-Siem, Microsoft XDR, Microsoft Sentinel and 1 more. Check integration compatibility with your existing security stack before deciding.

1stProtect.ai and Defender Lens serve similar Detection Engineering use cases: both are Detection Engineering tools. Review the feature comparison above to determine which fits your requirements.