Modirum is a technology company that specializes in secure authentication solutions, particularly in the field of payment processing. They offer services and products such as 3D Secure, which helps financial institutions and merchants implement consumer authentication for card-not-present transactions, enhancing security and reducing fraud. Modirum provides software solutions that facilitate the exchange of secure authentication data between card issuers, merchants, and cardholders. Their expertise lies in creating seamless and secure digital transaction experiences for clients.