Ostra Cybersecurity, a Minneapolis, MN-based holistic and managed security as a service platform provider, raised over $4M in Series A funding. The round was led by Rally Ventures, with participation from founding investor Jeff Cowan. Led by new CEO Andrew Tewksbury, Ostra provides its partners and their clients with multi-layered, comprehensive, and fully managed Security as a Service. Its proprietary solutions combine Fortune 100-caliber tools, tech, and talent to ensure threats are detected, hunted, and fully remediated. To date, Ostra has raised $10M, with most funds coming in the past 18 months based on the rise in demand for a complete managed offering tailored to small and mid-sized business (SMBs).