Georgia Tech plays a critical role in efforts to combat cyber terrorism. A Tech cyber expert writes that the federal government recently awarded the institution grants of more than $5 million to develop methods and mechanisms that address security flaws and snare cyber invaders. The companion essay deals with consumer phone fraud — the kind that starts with a ring, your “hello” and a silent line.

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Inventor Lonnie Johnson stands with his Super Soaker water guns at JTEC Energy on Wednesday, Oct. 29, 2025, in Atlanta. Johnson, a former NASA engineer, is currently working on a new energy technology through his company’s JTEC device that turns thermal heat into usable energy. (Natrice Miller/AJC)