Caulis Inc. engages in the development and provision of unauthorized access detection services in Japan. The company offers Fraud Alert, a cloud-based unauthorized access detection service for businesses; Grid Data KYA, a service that verifies identity using electricity contract information; phishing countermeasure services; and account resale information services. It serves financial institutions and companies, including banks, credit unions, life and non-life insurance companies, securities companies, lending companies, credit card companies, virtual currency exchanges, and money transfer businesses. Caulis Inc. was incorporated in 2015 and is headquartered in Chiyoda, Japan.