China's Salt Typhoon cyber espionage campaign has compromised information from millions of Americans and targeted over 80 countries since its inception in 2019, according to an FBI official. The campaign has affected around 200 American organizations, including major telecommunications companies, and highlights a drastic shift in the scale of indiscriminate targeting compared to previous espionage activities. Victims include high-profile officials, with concerns raised about the reckless nature of these cyber operations.