Srinagar, July 18 -- Google has issued a critical warning to over 1.8 billion Gmail users worldwide about a sophisticated cyberattack that uses artificial intelligence to steal passwords without detection. The new threat targets Gmail's AI assistant, Google Gemini, through a technique called indirect prompt injection. Cybercriminals are sending emails embedded with invisible text-set in zero font size and white color-making it unreadable to the human eye but fully visible to the AI system.

When a user clicks the "summarize this email" feature powered by Gemini, the AI reads not only the visible content but also the hidden prompts. These hidden instructions can trigger fake alerts that falsely warn users their Gmail account has been compr...