Facebook parent company Meta says it has uncovered links between people associated with Chinese law enforcement and a long-running pro-China “Spamouflage” campaign.
The social media giant removed around 7,700 Facebook accounts and hundreds of other pages, groups and Instagram accounts connected to the campaign, elements of which have been active since 2018, it said in a quarterly security report on Tuesday.
The “Spamouflage” network has engaged in spurts of activity over the last several years pushing positive narratives about China and negative commentary about the United States, Western foreign policies and critics of the Chinese government.
With the latest activity detected, Meta executives said they believed that “Spamouflage” had become the largest known cross-platform influence operation to date, with a presence on at least 50 services.
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Clusters of the campaign’s fake accounts were run from different parts of China, but shared digital infrastructure and appeared to operate with clear shift patterns, including breaks for lunch and dinner on Beijing time, Meta said.
The “Spamouflage” network first started out posting on large platforms like Facebook, YouTube and Twitter, now called X. More recent activity showed it had expanded its footprint to include smaller platforms like Medium, Reddit, Quora and Vimeo as well, the company said.
It amassed a following of about 560,000 accounts for its pages on Facebook, but Meta executives said they believed most of the accounts were fakes that had been purchased from commercial spam operators in places like Vietnam and Bangladesh.
They said they saw little evidence of genuine audience or engagement beyond that.
“This operation was large and noisy, but it struggled to reach beyond its own fake echo chamber,” said Meta’s Global Threat Intelligence Lead Ben Nimmo.
In one case suggestive of the accounts’ spammy background, a Facebook page that had previously published Chinese-language ads about lingerie abruptly switched to writing English-language posts about riots in Kazakhstan, Nimmo said.
- Reuters with additional editing by Sean O’Meara
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