1stProtect.ai vs Sesame IT HOSHI: 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..

Sesame IT HOSHI: Curated attack use case platform that feeds threat scenarios into Jizô AI. built by Sesame IT (Jizô AI). Core capabilities include Daily updated library of attack use cases, Automated conversion of threat intelligence into detection rules, Use case selection based on industry and risk exposure..

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. Sesame IT HOSHI differentiates with Daily updated library of attack use cases, Automated conversion of threat intelligence into detection rules, Use case selection based on industry and risk exposure.

1stProtect.ai is developed by 1stProtect.ai. Sesame IT HOSHI is developed by Sesame IT (Jizô AI). 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. Sesame IT HOSHI integrates with Jizô AI. Check integration compatibility with your existing security stack before deciding.

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