DataBrokersandtheSaleofDataonU.S.MilitaryPersonnelRiskstoPrivacy,Safety,andNationalSecurityByJustinSherman,HayleyBarton,AdenKlein,BradyKruse,andAnushkaSrinivasanNovember2023—Overview:Thedatabrokerageecosystemisamulti-billion-dollarindustrycomprisedofcompaniesgathering,inferring,aggregating,andthenselling,licensing,andsharingdataonAmericansaswellasprovidingtechnologicalservicesbasedonthatdata.AfterpreviouslydiscoveringthatdatabrokerswereadvertisingdataaboutcurrentandformerU.S.militarypersonnel,thisstudysoughttounderstand(a)whatkindsofdatathatdatabrokersweregatheringandsellingaboutmilitaryservicemembersand(b)theriskthataforeignactor,suchasaforeignadversary...