Connecticut’s New Data Broker Law (SB 4): What Businesses Need to Know

Connecticut has enacted a sweeping new data broker law (SB 4, as amended by HB 5222), making it one of a growing number of states to regulate the collection, sale, and licensing of third‑party personal data. Effective October 1, 2026, the law requires data brokers to register with the state, imposes detailed compliance obligations, and, like California’s DELETE Act, creates a centralized mechanism for consumers to request deletion of their data. At the same time, Connecticut takes a more tailored approach, with broader carve‑outs and structural features that may reduce friction for covered bus