The core activity of Tune Insight is the development and provision of solutions for secure data collaboration, particularly through the application of Multiparty Homomorphic Encryption (MHE) and other cryptographic technologies. The company offers software products and platforms that enable organizations to securely share and analyze sensitive data without compromising the confidentiality and integrity of the data. Tune Insight's solutions cater to various industries, including healthcare, financial services, and cybersecurity.