Tenable Attack Surface Management (formerly Tenable.asm) continuously maps the entire internet and discovers connections to your internet-facing assets so you can discover and assess the security posture of your entire external attack surface.
Mitigate your external risks
- Discover What You Own
Discovery is key. Find more with Tenable Attack Surface Management to access an attack surface map of more than 5 billion assets to discover domains related to assets in your inventory. Get more done with notifications on changes in your attack surface for continuous monitoring.

- Understand Business Context
Get full business context by leveraging more than 200 fields of metadata to help you make more informed decisions about previously unknown internet-connected assets. Streamline asset management by leveraging filters, tags and datatypes to understand your full external footprint.

- Easily Assess for Cyber Risk
Your external attack surface assets and exposure data is fully integrated into Tenable One, Tenable Vulnerability Management, Tenable Security Center. Seamlessly kick-off new scans of unassessed assets to scan for blind spots and comprehensive coverage across your external attack surface. Want more? Tenable Attack Surface Management is available as an add on.

Exeternal attack surface management for:
- Cybersecurity
Mitigate risk and avert potential threats by knowing exactly what you own. Establishing the attack surface is foundational to security strategy.
- Compliance
Reveal locations where personally identifiable information (PII) is captured and stored, to fully comply with industry regulations.
- Brand Protection
Secure your brand by recognizing expired marketing campaigns, misspellings, SEO opportunities, and misuse.
- Mergers & Acquisitions
Discern risk early. Instantly see every internet-facing asset of your target company before acquisition.
- Competitive Analysis
Reveal the attack surface of current and potential competitors to identify strategic opportunities.
- Legal
Understand which assets have non-compliant technology, missing legal disclaimers and expired copyright notices.