10 Best Attack Surface Management (ASM) Companies in 2025

The article, dated 5 September 2025 and written by Kaaviya, ranks 10 ASM vendors for 2025, with Randori highlighted as now part of IBM Security. It describes Attack Surface Management as a proactive discipline that discovers, maps, and continuously monitors internet-facing assets, including cloud instances and shadow IT, to prioritise remediation.

The vendors listed include Randori, Palo Alto Networks, CyCognito, Tenable, Qualys, Rapid7, Bugcrowd, Bishop Fox, Intrigue, and Balbix, each assessed on continuous asset discovery, risk and vulnerability scoring, integrated pentesting or validation, and cloud and SaaS visibility. The piece notes Randori’s attacker-focused reconnaissance and IBM integration, and highlights Cortex Xpanse from Palo Alto Networks as a scalable solution central to its Cortex platform.

It also points to CyCognito as AI-powered with active security testing, and mentions that Tenable, Qualys, and Rapid7 offer seamless integrations within existing security ecosystems. Overall, the article positions ASM as essential in 2025 for gaining an outside-in view and prioritising external risk across diverse environments.