Google says it's stopped a Google Sheets-based 'global espionage campaign', which is about the most exciting thing I think it's ever been used for

The unlikeliest of foes.
CSO Online

China-linked hackers used Google Sheets to spy on telecoms and governments across 42 countries

The GRIDTIDE backdoor concealed its traffic within routine spreadsheet activity for years before Google shut down the operation last week.
The Hacker News

Google Disrupts UNC2814 GRIDTIDE Campaign After 53 Breaches Across 42 Countries

Google on Wednesday disclosed that it worked with industry partners to disrupt the infrastructure of a suspected China-nexus cyber espionage group tracked as UNC2814 that breached at least 53 ...

Google disrupts Chinese-linked hackers that attacked 53 groups globally

Google disrupted a Chinese-linked hacking group that breached at least 53 organizations across 42 countries, the company said ...