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.
Bleeping Computer

Previously harmless Google API keys now expose Gemini AI data

Google API keys for services like Maps embedded in accessible client-side code could be used to authenticate to the Gemini AI ...
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.