Flights grounded as Russia’s largest airline Aeroflot hacked and systems ‘destroyed’

According to the news article, Russia's largest airline, Aeroflot, has been the target of a cyberattack, leading to the grounding of flights. The Russian prosecutor's office has opened a criminal investigation into the incident, indicating the seriousness of the situation. The article states that the hackers have "destroyed" Aeroflot's systems, though the extent of the damage is not specified. This has resulted in the disruption of the airline's operations, with flights being grounded. The article does not provide further details on the nature of the cyberattack, the identity of the hackers, or the potential impact on Aeroflot's operations and passengers. It remains focused on the fact that the incident has prompted a criminal investigation by Russian authorities. The summary highlights the key facts, including the hacking of Aeroflot, the grounding of flights, and the opening of a criminal investigation, while maintaining an unbiased and concise tone within the specified word count.