"We can only say this: Russian Federation has nothing to do with these attempts".
British Foreign Secretary Dominic Raab said that "Russian actors" also had tried to interfere in last year's general election by "amplifying" stolen government papers online. It is something Moscow has already denied.
Russia's foreign ministry said those accusations were "foggy and contradictory".
On Thursday, UK, US and Canada security services said a hacking group called APT29 had targeted various organisations involved in Covid-19 vaccine development, with the likely intention of stealing information.
"I strongly believe that has to change and that we have to have a much more strategic approach to Russian Federation".
"Now you will see us holding Russian Federation to account and making sure that the world knows the nature of the reprehensible behaviour that they're engaged in".
"This is states, in this case Russian Federation taking advantage of the power of social media in this case being able to either take legitimate documents.or spread all kinds of information and using social media to promulgate it" the intelligence expert said.
The NCSC, which is the UK's lead technical authority on cyber security and part of the UK's Government Communications Headquarters (GCHQ), assessed that APT29 "almost certainly operate as part of Russian Intelligence Services".
'I don't believe this story at all, it makes no sense, ' Andrei Kelin said in a BBC interview broadcast on Sunday, regarding the allegations made last week by the United States, the UK and Canada. The ambassador also stressed that it is impossible to attribute acts of hacking to a particular country.
"On the basis of extensive analysis, the government has concluded that it is nearly certain that Russian actors sought to interfere in the 2019 general election through the online amplification of illicitly acquired and leaked government documents", Raab said.
A subject receives a shot in the first-stage safety study clinical trial of a potential vaccine by Moderna for COVID-19, the disease caused by the new coronavirus on March 16, 2020.
The Russian ambassador, however, assured that his country was ready to "turn the page" and "do business" with the United Kingdom.
While the people across the world are waiting for the COVID19 vaccine, a media report claims members of Russia's ruling elite have been given access to an experimental coronavirus vaccine.
Members of the House of Representatives Intelligence Committee received the warning at a meeting with representatives of the secret services.
The report said it has confirmed the identities of dozens of people who volunteered to get vaccinated.
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