Sonar | 760 followers on LinkedIn. Independent data consortium for sharing real-time insights into First-Party Fraud and Counterparty Risk. | Sonar is an independent, member-run data consortium for sharing real-time insights into First-Party and Counterparty Risk. As a 314(b) designated utility, Sonar is committed to facilitating collaboration among financial institutions and fintechs to combat financial crime. Sonar’s approach is centered on establishing trust and security in financial transactions, irrespective of the payment rail, by verifying the credentials of all parties involved.