News Genetics

Genealogy databases could reveal the identity of most Americans

Keeping your DNA private is getting harder

person tapping a screen with a lock and DNA code

LOCK PICKING  Searching genetic genealogy databases may allow the identification of almost anyone, even if their DNA is anonymous.

jxfzsy/istock.com, adapted by E. Otwell

By Tina Hesman Saey

Protecting the anonymity of publicly available genetic data, including DNA donated to research projects, may be impossible.

About 60 percent of people of European descent who search genetic genealogy databases will find a match with a relative who is a third cousin or closer, a new study finds.