QuantaSi is a South Bend, Indiana-based Managed Security Provider helping businesses secure their data, optimize their IT Infrastructure, and proactively anticipate curveballs, all while protecting clients’ online presence and granting peace of mind.  We provide IT Support and Services to businesses in South Bend, Mishawaka, Elkhart, Goshen, Plymouth, Rochester, Niles, Edwardsburg, Cassopolis, and the surrounding areas in Indiana and Michigan.