Microsoft Defender External Attack Surface Management is a subscription-based platform designed for businesses seeking to enhance their cybersecurity posture. This tool offers a clear overview of an organization’s internet-exposed resources, allowing users to identify vulnerabilities and risks associated with their web applications and infrastructure. By providing a dynamic record system, it enables teams to monitor changes in their attack surface in real-time, ensuring they stay ahead of potential threats.

The platform caters to various organization types, including small businesses, nonprofits, and enterprises, making it versatile for different audiences. With features such as a searchable inventory of resources and integration capabilities with Microsoft Azure and Kroll Cyber Risk, users can efficiently manage security risks. Additionally, support options include phone and online assistance, along with training resources like documentation and webinars, ensuring users can maximize the platform's potential.