Excerpted from Cyber Privacy: Who Has Your Data and Why You Should Care (BenBella Books; October 2020)

WHEN THE PRESIDENT SAYS “SEND HER BACK,” WHO EXACTLY DOES HE MEAN?

DNA information raises special concerns, and those concerns are accelerating as the use of at-home DNA tests is on the rise. Ever since the atrocities of World War II, European countries have recognized the ways in which collections of genetic information can be misused. Much of the rest of the world has asked itself the question, “How could ordinary people in Germany have supported the Nazi genocide agenda?” Often, the