Third-party cyber risk management platform with cloud infrastructure visibility
Tenchi Security builds Zanshin, a SaaS platform for third-party cyber risk management (TPCRM) that combines external attack surface monitoring with continuous cloud infrastructure assessments. The tech stack is AWS-native (Lambda, Step Functions, DynamoDB, Batch, CodePipeline) with Python and TypeScript—a lean, serverless-first architecture optimized for continuous scanning and non-intrusive assessments. Active projects span infrastructure optimization, CI/CD pipeline development, and API expansion, while hiring tilts heavily engineering (3 of 7 roles), indicating ongoing platform velocity and scaling of automated assessment capabilities.
Tenchi Security is a Brazilian cybersecurity firm founded in 2019 and headquartered in Barueri, São Paulo. Zanshin is their flagship SaaS offering, designed to address third-party security risk visibility for organizations in financial services, healthcare, telecommunications, and insurance. The platform delivers dual-perspective coverage: external attack surface reconnaissance and internal cloud infrastructure assessments (IaaS, PaaS, SaaS environments and security controls). The company operates at 51–200 employees and maintains a Brazil-based hiring footprint. Recent project work includes serverless infrastructure optimization, CI/CD pipeline automation, and Zanshin adoption expansion.
Tenchi's core stack is AWS-native: Lambda, Step Functions, DynamoDB, Batch, CodePipeline, and CDK. Application code runs Python and TypeScript. BI tools include QuickSight and Power BI. Sales and marketing ops use HubSpot and LinkedIn.
Tenchi Security is headquartered in Barueri, São Paulo, Brazil. Founded in 2019, the company operates as a privately held firm with 51–200 employees.
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