GigaOm Radar for Attack Surface Managementv4.0

1. Executive Summary

Attack Surface Management (ASM) has emerged as a critical security capability that provides organizations with continuous visibility into their expanding digital footprint. As enterprises accelerate their digital transformation initiatives and adopt hybrid work models, the challenge of maintaining comprehensive visibility across both internal and external assets has become increasingly complex. ASM solutions address this challenge by automatically discovering, classifying, and monitoring an organization’s attack surface, including cloud resources, shadow IT, forgotten assets, and third-party risks.

For CxOs, ASM represents a strategic investment in risk reduction and operational efficiency. The technology helps organizations understand their security posture from an attacker’s perspective, enabling proactive risk mitigation before vulnerabilities can be exploited. This visibility is particularly crucial as organizations face increasing regulatory scrutiny and cyber insurance requirements that demand comprehensive asset inventory and continuous monitoring capabilities.

The market has evolved beyond simple asset discovery to include sophisticated risk contextualization, automated validation, and integration with broader security workflows. Modern ASM solutions increasingly incorporate threat intelligence, providing real-time insights into the ways discovered assets might be targeted by threat actors. This evolution reflects the growing recognition that effective security requires not just asset visibility but also understanding of how those assets might be exploited.

This analysis focuses on vendors offering comprehensive ASM capabilities, including external attack surface monitoring, risk contextualization, and automated discovery features. While many security tools offer some form of asset discovery, true ASM solutions provide continuous monitoring, risk prioritization, and actionable remediation guidance. The market continues to mature, with vendors differentiating through specialized capabilities such as supply chain risk monitoring, cloud security integration, and advanced automation features.

For organizations evaluating ASM solutions, the key consideration should be knowing how effectively the technology can integrate with existing security processes while providing actionable insights that drive risk reduction. The most successful implementations typically align ASM capabilities with broader security objectives, ensuring discovered risks can be effectively prioritized and remediated within existing operational workflows.

This is our fourth year evaluating the ASM space in the context of our Key Criteria and Radar reports. This report builds on our previous analysis and considers how the market has evolved over the last year.

This GigaOm Radar report examines 27 of the top ASM solutions and compares offerings against the capabilities (table stakes, key features, and emerging features) and nonfunctional requirements (business criteria) outlined in the companion Key Criteria report. Together, these reports provide an overview of the market, identify leading ASM offerings, and help decision-makers evaluate these solutions so they can make a more informed investment decision.