Aeroflot cancels dozens of flights after a pro-Ukrainian hacking attack

The Russian national airline Aeroflot was forced to cancel more than 40 flights on Monday after being struck by a cyber attack by a pro-Ukrainian group, according to reports.

The Office of the Prosecutor General of Russia said it had launched a criminal investigation and that “surveillance measures had been organized as part of the delay and cancellation of flights at Sheremetyevo de (Moscow).”

“The cause was a failure of the functioning of the Aeroflot information system following a hacker attack,” added the office on Telegram.

A message allegedly to a group called Silent Crow said: “Glory to Ukraine! Biélarus live!” And noted that he had produced the cyber attack with a Belarusian group called cyberdartists by, according to, according to Reuters.

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Travelers are seen queuing at Shetretylevo airport in Moscow after Aeroflot flights were canceled and delayed on Monday, July 28, 2025. (Reuters)

The press release would have added that the cyber attack was the result of one year’s operation in the Aeroflot computer network, the hackers saying that 7,000 servers were destroyed. They also declared that they had taken control of computers belonging to the senior executives of Aeroflot, but no evidence was provided to support complaints, Reuters reported.

“The information we read in the public domain is quite alarming. The threat of pirate is a threat that remains for all large companies that provide services to the population,” said Kremlin spokesperson Dmitry Peskov, was quoted by the news agency.

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An Aeroflot Airbus 350-900 plane takes off from Denpasar Bali Ngurah Rai airport in Indonesia on June 22, 2025. (Fabrizio Gandolfo / Sopa Images / Lightrocket via Getty Images)

“There has been a failure in the airline information systems. Service interruptions are possible,” said Aeroflot in his own statement on Telegram.

“In this regard, a forced adjustment to the flight calendar is expected, in particular by postponing and canceling,” added the airline. “Currently, a team of specialists strives to minimize the risks of realization of the production flight plan and to quickly restore the normal functioning of services. The airline apologizes for the disadvantages caused.”

Russian legislator Anton Gorelkin said on Monday: “We must not forget that the war against our country is waged on all fronts, including digital,” according to Reuters.

People meet at the information council after many flights were canceled or delayed due to the attacks on Ukrainian drones, at Sheremetyevo International Airport outside Moscow, Russia, July 21, 2025. (Reuters)

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“And I do not exclude that the” hacktivists “who claimed the responsibility of the incident are at the service of hostile states,” added Gorelkin.