Hartsfield-Jackson International Airport turned its wi-fi back on late Monday afternoon, more than a week after it turned it off due to a cyber attack on the city of Atlanta.

The world’s busiest airport switched on its free wi-fi at around 5:30 p.m. Monday.

The airport took down the wireless Internet service more than 10 days ago, with spokesman Reese McCranie saying at the time: "While we aren't directly affected by the cyberattack, we are being abundantly cautious and have taken these systems offline."

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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)

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Credit: Natrice Miller