How a Single Rogue BGP Announcement Took Telegram Offline Across Three Continents (opens in new tab)

submitted by The incident came around the same time as India’s temporary Telegram restriction linked to NEET exam security, but the network-layer impact went far beyond a domestic block. Researchers say the route should have been flagged as RPKI-invalid and filtered, raising fresh concerns about weak BGP security enforcement, poor route filtering, and how a single unauthorized routing announcement can disrupt a major platform across borders.