According to the report, a study conducted by Duke University found three data brokers -- who advertise their services -- can provide data identifying US military personnel. Data of this kind could be used by foreign actors to target prosecutors, judges, politicians, diplomats, and intelligence operatives.CAI, if purchased or stolen by the wrong people, could also help enemies interfere with US elections.Also: Best secure browsers to protect your online privacyAlthough CAI is publicly available, it can be used to uncover sensitive information about an individual and encroach on their right to privacy. According to the EU's data privacy provisions, known as the General Data Protection Regulation, sensitive information includes someone's race, ethnicity, politics, religion, and biometric data.All of those examples can and are taken from US citizens and collected by data brokers.