On Sunday evening, Russia’s state news agency RIA quoted a ministry official as saying the site was down but users’ personal data was protected.
RIA said other outlets have reported hackers demanding a ransom to prevent public disclosure of user data. Reuters was unable to determine which media were cited by the RIA.
Many Russian state-owned companies and media outlets have suffered sporadic hacking attempts since Russia sent its armed forces to Ukraine on February 24.
Hacking attacks in early May kept video hosting site RuTube offline for three days and changed satellite TV menus in Moscow on Victory Day, when Russia marked the 77th anniversary of the victory of the Soviet Union over Nazi Germany.
Separately, Ukraine’s UNIAN news agency reported on Sunday that OLL.TV’s online Ukraine-Wales football match broadcast had been temporarily hacked. Reuters was unable to verify this report.
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Moscow says it is carrying out a “special military operation” to disarm Ukraine and protect it from fascists. Ukraine and Western countries reject Russia’s claims as a pretext to invade.