US Patent Issued to Private Tech on April 8 for "Mobile subscriber identity rotation" (District Of Columbia, Virginia, Maryland, Texas Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,725, issued on April 8, was assigned to Private Tech Inc. (Washington).

"Mobile subscriber identity rotation" was invented by David Seth Dunn (Washington), Christopher William Stokes (Alexandria, Va.), Nicholas John Espinoza (Accokeek, Md.), Stephen James Dowhy (Washington), Clifford Marcus Owenby (Heath, Texas) and John McKinstry Doyle (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile device performs authentication with blinded tokens and swaps its international mobile subscriber identity (IMSI) value. For authentication with blinded tokens, the mobile device generates a blinded token and provides it to a server to encrypt. To red...