LAX, airports in 21 other states, targeted by pro-Russia hacking group

FILE: A jet comes in for landing at Los Angeles International Airport (Photo by David McNew/Getty Images)

Los Angeles International Airport and other airports in the United States were the targets of pro-Russia hackers who attacked websites, but had no impact on flight operations, media outlets are reporting Tuesday.

Killnet is claiming credit for the cyberattacks that included LAX, Chicago O'Hare, and Hartsfield-Jackson International in Atlanta on Monday.

Hackers were urged to participate in a distributed denial-of-service operation aimed at airports nationwide posted on Telegram and to flood airport computer networks with simultaneous data transmissions.

Airports in California, Alabama, Arizona, Arkansas, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi and Missouri were targeted by the hackers.

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In a statement to NPR, LAX officials said that was partially disrupted Monday morning.

"The service interruption was limited to portions of the public facing website only. No internal airport systems were compromised and there were no operational disruptions," a spokeswoman said in an emailed statement.

She added that the airport's information technology team restored all services and was investigating the cause. Officials have also notified the FBI and the Transportation Security Administration.

Killnet noted in online posts on Monday that other vulnerable U.S. cities could experience similar denial-of-service attacks. It included sea terminals and logistic facilities, weather monitoring centers, health care systems, subway systems and exchanges and online trading systems.