1stProtect.ai vs Stairwell: 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..

Stairwell: File analysis & threat intel search engine for SOC and IR teams. built by Stairwell. Core capabilities include Hash and IOC lookup to determine malicious file presence, YARA rule analysis (continuous and private vault), AI triage verdict with behavioral explanation..

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. Stairwell differentiates with Hash and IOC lookup to determine malicious file presence, YARA rule analysis (continuous and private vault), AI triage verdict with behavioral explanation.

1stProtect.ai is developed by 1stProtect.ai. Stairwell is developed by Stairwell. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

1stProtect.ai integrates with Splunk, Datadog, Elastic, Sumo Logic, Okta and 14 more. Stairwell integrates with Palo Alto Cortex, Splunk, SentinelOne, Google Security Operations, CrowdStrike and 4 more. Check integration compatibility with your existing security stack before deciding.

1stProtect.ai and Stairwell serve similar Detection Engineering use cases. Review the feature comparison above to determine which fits your requirements.