State communications regulator Roskomnadzor on Wednesday said it had blocked a website that was hosting the personal data of a number of companies’ clients. It did not name the companies.
Russia’s second-biggest bank VTB was quoted by media as saying some customers’ phone numbers had been leaked but there was no risk to their funds.
E-commerce player Wildberries and online marketplace Avito denied reports in Russian media that their data had been leaked.
A data leak in early March exposed the personal details of more than 58,000 people on tech giant Yandex’s food delivery app, Yandex.Eda.
Yandex.Eda competitor Delivery Club on Friday apologised to users after it suffered a data leak on orders placed by users.
“The data includes information about orders and does not affect bank details. We are doing our best to prevent the dissemination of the data,” TASS news agency quoted the company as saying.
Hacking attacks this month kept video-hosting site RuTube offline for three days and altered satellite television menus in Moscow on Victory Day, when Russia celebrated the 77th anniversary of the Soviet Union’s victory over Nazi Germany.
Moscow has long sought to improve its domestic internet infrastructure, even disconnecting itself from the global Internet during tests last summer.
However, the unprecedented Western barrage of sanctions imposed in response to Moscow’s military campaign in Ukraine has increased the pressure to make Russia’s IT systems more resilient.