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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Postcard depicting the predecessor to Hartsfield-Jackson Atlanta International Airport: Candler Field, c. 1927. The city signed a lease with Asa Candler to open the airfield in 1925. (Kenan Research Center at the Atlanta History Center)

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Managing Partner at Atlantica Properties, Darion Dunn (center) talks with Atlanta Mayor Andre Dickens during a tour following the ribbon cutting of Waterworks Village as part of the third phase of the city’s Rapid Housing Initiative on Wednesday, Dec. 3, 2025.
(Miguel Martinez/AJC)

Credit: Miguel Martinez-Jimenez