Canadian security officials are warning about a Russian propaganda campaign that used social-media site X to spread online disinformation.

The Canadian Centre for Cyber Security said individuals affiliated with RT, formerly known as Russia Today, have been using a social-media bot farm at the direction of the Russian government.

Officials said fake social-media users were created to spread disinformation in the United States and abroad.

The accounts often posed as Americans and promoted messages in support of Russian government objectives, they said.

When asked to comment on the claims, the RT press office said: 鈥淔arming is a beloved pastime for millions of Russians.鈥�

Canada, along with the U.S. and the Netherlands, worked to disrupt the disinformation campaign, but officials are warning that similar activity could pop up on other social-media sites.

U.S. officials said 968 social-media accounts were identified as having been used by Russian actors. X has since suspended those accounts.

Last month, NATO Secretary-General Jens Stoltenberg cautioned during a visit to Canada that disinformation is a threat to the defensive alliance and its efforts to arm Ukraine against Russia鈥檚 invasion.

鈥淒isinformation is a big challenge because we see that Russia is fueling disinformation in many ways. We also see China is doing that,鈥� Stoltenberg told The Canadian Press.

鈥淪o we need to be very much aware of the risk.鈥�

While it鈥檚 the role of government to counter disinformation, an independent and free press remains the best way to protect against it, Stoltenberg said.

The Russian propaganda campaign warning also comes as American and Canadian officials grapple with how to counter foreign attempts to disrupt elections using AI and disinformation.

NATO leaders are in Washington, D.C. this week for their annual summit and to mark the alliance鈥檚 75th anniversary, with Ukraine and aid for the country at the centre of discussions.

鈥淎s the Russian government continues to wage its brutal war in Ukraine and threatens democracies around the world, the Justice Department will continue to deploy all of our legal authorities to counter Russian aggression and protect the American people,鈥� said U.S. Attorney General Merrick B. Garland in a statement.

During a keynote speech at the Canadian embassy in Washington on Tuesday, Prime Minister Justin Trudeau said cybersecurity is one of the biggest threats facing the alliance鈥檚 security.

鈥淲e must be clear-eyed about the current state of global affairs,鈥� he said.

鈥淲e鈥檙e living in an increasingly dangerous, unstable and complex world. Cyberwarfare, resurgent authoritarian forces, expanding regional conflicts, and everywhere, increasing impacts of climate change all represent growing threats to our collective security and continued prosperity.鈥�

Following Russia鈥檚 invasion of Ukraine in 2022, Canada鈥檚 broadcasting regulator banned state broadcaster RT, along with RT France, from the airwaves.

At that time, the Canadian Radio-television and Telecommunications Commission found the broadcasters鈥� content was 鈥渘ot in the public interest鈥� as it exposed Ukrainian people to hatred or contempt on the basis of their race, national or ethnic origin.

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