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ZeroFox Attack Surface Discovery

Continuously discover and inventory known and unknown assets across your entire digital footprint.

ZeroFox Attack Surface Discovery

You Can't Defend What You Can't See

Modern enterprises operate across clouds, SaaS, APIs, social media, and extended partner and third-party ecosystems. Assets are constantly created, moved, or abandoned across these relationships, leaving blind spots that attackers exploit. ZeroFox uncovers everything that could impact your organization.

Blind Spots Expand Your Attack Surface

%

of orgs cannot fully see their external attack surface1

%

of security leaders report incidents caused by unknown or unmanaged assets1

%

of SaaS applications remain unsanctioned2

ZeroFox Attack Surface Discovery Solution

ZeroFox begins with adversary-style reconnaissance, using the same external signals attackers rely on to identify exposed assets. AI-assisted intelligence analyzes and prioritizes findings, building a continuously updated, evidence-backed inventory across domains, IPs, applications, cloud resources, APIs, SaaS exposures, and third-party assets.

  • Identify forgotten domains, legacy apps, and experimental cloud services across your enterprise and partner ecosystem
  • Detect rogue SaaS, shadow IT, or abandoned accounts
  • Map ownership across business units, vendors, and partner organizations
  • Maintain up-to-date inventory across regions, brands, and cloud environments
  • Track and visualize relationships and exposure chains across internal and partner assets

The ZeroFox Advantage

%

Uncovers 40% more internet-facing assets than legacy tools.

M

Tracks 10 million assets across brands, clouds, SaaS, APIs, and key vendors.

%

Detects new or unmanaged assets 60% faster than traditional methods.

Zerofox Attack Surface Discovery Key Functionality

Uses DNS, certificate transparency, IP ownership, application fingerprinting, and cloud metadata to discover every exploitable asset.

Why ZeroFox Leads in Attack Surface Discovery

Deep and Dark Web Investigation

Platform-Driven Discovery

A unified platform that integrates discovery with threat intelligence and digital risk protection for end-to-end external visibility.

Discovery

Digital Shadow Visibility

Reveals the hidden footprint created by years of cloud projects and SaaS adoption.

Sec Ops Investigation

Evidence-First Findings

Every discovered asset includes proof and discovery context teams can trust

ASI

Unified Surface Mapping

Consolidates all brands, regions, subsidiaries, and vendor-linked assets into one view.

Group 5583

Analyst-Ready Context

Provides intelligence to understand what an asset is and why it matters.

Brand_Domain

Business-Aware Mapping

Connects assets to business services so teams prioritize critical operations.

Guide

The Evolution of External Attack Surface Management

Explore how external attack surface management has evolved from a government and military function to a critical business practice, helping organizations gain visibility, understand exposures, and proactively protect their digital footprint.

Resources

Frequently asked questions

ZeroFox Attack Surface Discovery continuously identifies and inventories internet-facing assets across cloud environments, SaaS applications, APIs, and third-party systems. Using adversary-style reconnaissance combined with proprietary threat intelligence, it creates a continuously updated, evidence-backed view of exposed assets so teams can see their external attack surface in real time.

  • [1] SANS Attack Surface Management (ASM) Survey 2025
  • [2] State of SaaS Security Report 2025, Cloud Security Alliance