Tenchi Security provides third-party security posture management solutions designed to reduce cybersecurity risk across organizations. The company's primary product, Zanshin, enables organizations to continuously monitor and manage security posture for their vendors, partners, and other third parties.

Tenchi Security works with multiple partner types including cyber insurance companies, managed security service providers (MSSPs), consulting firms, and technology providers. For cyber insurance companies, the platform helps reduce risk across policy holder portfolios by enforcing security best practices. MSSPs use Tenchi's solution to enhance their service offerings and deliver risk reduction to clients of various sizes and industries.

The company emphasizes a remediation-focused approach, offering a dedicated remediation success team that works alongside partners and clients to achieve tangible security improvements. Their solution provides continuous monitoring capabilities and helps organizations enforce security controls across their third-party ecosystem.

Tenchi Security maintains partnerships with industry organizations including MITRE, CIS (Center for Internet Security), FS-ISAC, and various Brazilian cybersecurity associations. The company operates a partner program that provides deal flow incentives, co-marketing opportunities, priority access to new product releases, and comprehensive sales and technical training for partners.