Google observed 75 zero-day bugs last year Most were used by state-sponsored actors Countries like China and North Korea were specifically mentioned In 2024, Google’s Threat Intelligence Group (GTIG) discovered 75 zero-day vulnerabilities, and argued that the majority were used in state-sponsored hacking campaigns. The company made these claims in “Hello zero-day my old friend, a 2024 exploitation analysis” paper published recently. In the report, Google says that the number of zero-day flaws dropped compared to 2023 (from 98 to 75). However, the four-year trend is that the rate of zero-day exploitation “continues to grow at a slow but steady...