Ostra Security is a managed security service provider that delivers detection and response capabilities through a tiered service model. The platform offers three service tiers: Essentials (SOC monitoring), Core (managed EDR with SOC collaboration), and Plus (complete managed security stack with strategic support). The service includes managed SIEM for real-time threat detection and log analysis, managed detection and response combining detection with contextual response, and endpoint security protection. Additional capabilities include ransomware resiliency services focused on containment and recovery, strategy and advising through consulting services, and risk and cyber maturity assessments. Ostra operates security tools on behalf of clients, providing tuning and operational management of existing security investments. The service model includes direct access to security professionals who monitor client environments and respond to incidents. The platform integrates with existing security tools to provide unified visibility and response capabilities. Services are designed for organizations across finance, healthcare, legal, manufacturing, retail, and trades industries. The provider offers incident response support and maintains a partner program for channel relationships. Ostra positions itself as an extension of internal IT and security teams rather than a replacement.