Palo Alto Networks Reviews, Ratings & Features 2026 | Gartner Peer Insights

External Attack Surface Management (EASM) market refers to solutions that continuously discover, inventory, and monitor an organization’s internet‑facing digital assets from an attacker’s perspective. These platforms identify unknown or unmanaged assets, exposed services, misconfigurations, and vulnerabilities across cloud, SaaS, on‑premises, and third‑party environments. EASM solutions contextualize external exposures with risk scoring, threat intelligence, and business relevance to help organizations prioritize remediation efforts. The market exists to help cybersecurity teams proactively reduce exposure by maintaining visibility of their internet-facing assets.

Who are the target users of External Attack Surface Management (EASM) Software?

Typical users include cybersecurity teams, vulnerability management professionals, risk managers, and IT security leaders in organizations of all sizes.
EASM solutions are especially valuable for enterprises with complex, distributed environments, frequent cloud adoption, or multiple subsidiaries and third-party relationships.
Executives responsible for organizational risk and compliance also benefit from the enhanced visibility and reporting capabilities these platforms provide.

What are the core capabilities of External Attack Surface Management (EASM) Software?

Asset Discovery and Inventory:
Identification of internet‑facing infrastructure (e.g., domains, subdomains, IPs, cloud assets, SaaS, APIs, certificates, shadow IT)
Asset Attribution & Ownership Mapping
Technology Fingerprinting (e.g., frameworks, CMS, web servers, open‑source components)
Third‑Party and Subsidiary Mapping
Continuous Monitoring & Change Detection:
Change Detection (new services, DNS changes, IP reassignments, open ports)
Asset Lifecycle Tracking (new, modified, decommissioned assets)
Certificate Monitoring (expiration, weak cryptography, unauthorized issuance)
Exposure & Vulnerability Identification:
Open Port and Service Enumeration
Configuration and Security Misconfiguration Detection
Known Vulnerability Mapping (CVE/CWE)
Insecure Protocol and Cipher Detection
Unprotected Cloud Storage & APIs
Expired or Weak Certificates
Exposed Secrets (tokens, API keys)
Risk Prioritization & Contextual Analysis
Risk Scoring (asset‑level and organization‑level)
Business Context Mapping (e.g., production vs dev, internet‑facing criticality)
Exploitability Context
Attack Path Visualization
Integration with Threat Intelligence Feeds
Attacker‑View Asset Mapping
Known Attacker Techniques mapping (MITRE ATT&CK alignment)
Remediation & Workflow Enablement
Remediation Guidance (e.g., automated attack surface reduction suggestions)
Integration with Ticketing Systems (e.g., ServiceNow, Jira)
Security Tool Integrations (e.g., SIEM, SOAR, vulnerability scanners)
Ownership Assignment & SLA Tracking
Evidence and Verification of Fixes
Reporting & Visualization
Executive Dashboards
Technical Analyst Views
Asset and Risk Heatmaps
Exposure Trends Over Time
Custom Report Builder

What are the benefits of External Attack Surface Management (EASM) Software?

EASM software helps organizations proactively reduce their cyber risk by maintaining comprehensive visibility of all internet-facing assets and exposures.
Security teams benefit from automated discovery, prioritized remediation, and streamlined workflows, enabling faster and more effective risk reduction.
Executives and risk leaders gain confidence through real-time dashboards, trend analysis, and clear evidence of remediation, supporting stronger governance, compliance, and organizational resilience against external threats.

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Find the top External Attack Surface Management Software with Gartner. Compare and filter by verified product reviews and choose the software that’s right for your organization.

External Attack Surface Management

Cortex Xpanse

Palo Alto Networks

Manager, IT Security and Risk Management

My overall experience with Cortex-Xpanse has been positive. It gives us a clear and continuously updated view of our external surface, which is tricky to figure out. The platfrom makes it easier to identify unknown assets and track exposure. It's helpful for strengthening our external security posture without adding additional overhead.

50M - 250M USD

<50M USD

500M - 1B USD

1B - 3B USD

250M - 500M USD

3B - 10B USD

10B - 30B USD

30B + USD

Gov't/PS/ED <5,000 Employees

Business Development Manager

Proactive attack surface management. Discover at the speed of internet speed. 

Programmer/software Support Analyst

Cortex Xpanse excels at cloud data mapping of external digital footprints including internet-based assets, websites, cloud storage, and misconfigurations of tools which make an organization vulnerable. It also shares the AI Based Remedial methods to cure the vulnerabilities and weaknesses which might lead to intrusion, data leak or trojan horses. 

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Palo Alto Networks is a global cybersecurity organization shaping the future of cloud-centric technology. The main business objective is to provide effective cybersecurity solutions, maintaining and valuing the digital way of life. It addresses the significant issue of maintaining digital security in an increasingly online-centric world. The company utilizes innovative approaches leveraging advancements in artificial intelligence, analytics, automation, and orchestration. Offering an integrated platform and bolstering a burgeoning ecosystem of collaborators, it assures protection across various platforms including clouds, networks, and mobile devices. The organization envisions a progressively safe and secure digital world each day.

Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate. Our mission is to be the cybersecurity partner of choice, protecting our digital way of life. We help address the world's greatest security challenges with continuous innovation that seizes the latest breakthroughs in artificial intelligence, analytics, automation, and orchestration. By delivering an integrated platform and empowering a growing ecosystem of partners, we are at the forefront of protecting tens of thousands of organizations across clouds, networks, and mobile devices. Our vision is a world where each day is safer and more secure than the one before. For more information, visit www.paloaltonetworks.com.

Reviews

Ratings Overview

Overall experience with

Favorable Review

Threat Intelligence and Critical Data Assessment Features Minimize Phishing Risk in Xpanse

Critical Review

Enhanced Discovery Features Confront Limitations In Reporting And Data Volume

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