We are talking about Alexander Kovalchuk, he is accused of unlawful influence on the critical information infrastructure of Russia.

TASS also reports that Igor Roitman, Deputy General Director for IT and Production at Sirena-Travel, has been detained. An agency source said that this may be due to attacks by a Ukrainian hacker group on the IT infrastructure of the Russian ticket booking system.

In September 2023, Aeroflot reported a global failure in the Leonardo reservation system.