The tests are especially concerning for Department of Defense personnel due to requirements to disclose medical information affecting a person's ability to serve and deploy, WUSA reported.
"Moreover, there is increased concern in the scientific community that outside parties are exploiting the use of genetic data for questionable purposes, including mass surveillance and the ability to track individuals without their authorization or awareness," the Pentagon memo said.
Officials with DNA testing company 23 and Me told NBC News they take the "utmost efforts" to protect their customers' privacy and that they don't share information with third parties unless they're authorized to do so. They said their tests have been authorized by government regulators, NBC News reported.
Officials with Ancestry.com told Fox Business do not share customer DNA information with insurers, employers or marketers and that they only share information with law enforcement officials when mandated by a court order or warrant.