On August 28th, Beijing Time, Reuters reported that a coalition of technology giants, including OpenAI, Anthropic, Microsoft, Alphabet (Google's parent company), and Amazon, have come together to issue an open letter. This letter serves as a clarion call for a global strengthening of cyber defenses, aimed at combating the looming threat of large-scale AI-driven hacking campaigns. The letter underscores that as AI technology continues to evolve, cyber attacks leveraging AI capabilities are poised to become both more widespread and sophisticated in the months ahead. It highlights the inadequacy of current security measures in effectively countering these emerging threats. Among the signatories are also prominent names such as IBM, Oracle, and Visa, all of whom are urging governments, businesses, and the broader tech community to prioritize cyber defense efforts and collaborate in tackling these impending dangers.