Direct link to paper: https://www.usenix.org/system/files/conference/usenixsecurity25/sec25cycle1-prepub-250-kireev.pdf https://www.usenix.org/system/files/conf

Direct link to paper: https://www.usenix.org/system/files/conference/usenixsecurity25/sec25cycle1-prepub-250-kireev.pdf https://www.usenix.org/system/files/conference/usenixsecurit... Specifically, they built a reply-spam detection mechanism: apparently there are at least two propaganda networks on Telegram that reply to messages containing certain keywords with some tangentially-related message, and different accounts in the network reuse the same messages.