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Key Findings: Google Threat Intelligence Group (GTIG), Mandiant, and partners disrupted a global espionage campaign by UNC2814, a suspected China-linked cyber espionage group UNC2814 had breached at least 53 organizations across 42 countries, primarily targeting telecommunications and government sectors The group used a novel backdoor called GRIDTIDE that leveraged legitimate Google Sheets API functions for command-and-control GTIG took coordinated action to disrupt UNC2814's

Google Disrupts UNC2814 GRIDTIDE Campaign After 53 Breaches Across 42 Countries Key Findings Google, in collaboration with industry partners, disrupted the infrastructure of the suspected China-nexus cyber espionage group UNC2814 UNC2814 breached at least 53 organizations across 42 countries in the Americas, Asia, and Africa The threat actor may have targeted at least 20 additional countries UNC2814 used a novel backdoor called GRIDTIDE that abuses Google Sheets API for comma