Data aggregators, or data brokers, collect information from public  records and buy it from other companies. They compile this data to sell it to companies  for marketing purposes. Victims of these breaches are less likely to experience financial  fraud, but hackers could use this data to impersonate or profile them.
Mae casglwyr data, neu froceriaid data, yn casglu gwybodaeth o gofnodion cyhoeddus ac y ei brynu gan gwmnïau eraill. Maen nhw'n crynhoi'r data hwn i'w werthu i gwmnïau at ddibenion marchnata. Mae dioddefwyr yr achosion hyn o tor-data yn llai tebygol o brofi twyll ariannol, ond gall hacwyr ddefnyddio'r data hwn i'w dynwared neu'u proffilio.