The Roseltorg platform, owned by the Moscow government and VTB Bank, could not withstand a massive DDoS attack by Ukrainian hackers. The latter managed to obtain the data of about 500,000 citizens of Russia that will be made publicly available. The hacking operation is a great success since this platform is the largest for conducting online auctions, particularly for government procurement. It has existed for 13 years, during which time the volume of trade has exceeded more than $627B.