With the rapid rise and application of GenAI technologies like ChatGPT, corporate networks are facing new types of security threats generated by AI, such as AI-powered email attacks. Multiple surveys indicate that despite the increasing prominence of security risks associated with GenAI applications, most organizations are still unprepared to prevent them, lacking awareness for the security governance and oversight of GenAI applications. Industry experts are calling for urgent improvements in GenAI application security capabilities and enhancements to network defense systems to address the range of security incidents that GenAI may bring.