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Forrester names Palo Alto
Networks a Leader in Attack
Surface Management

Ranked highest in the Strategy category of all evaluated vendors.

How to secure
a moving target.

Explore dynamic attack surfaces
and how to secure them.

E-BOOK

Top use cases to secure
your attack surface.

Learn how to proactively find and fix vulnerabilities.

Gartner® analysis of the attack surface landscape.

A comprehensive overview of ASM technologies.

Attackers have an unfair advantage

Attackers scan the entire internet for vulnerabilities within 45 minutes. Meanwhile, enterprises take an average of 3+ weeks to find and fix them.

They’re actively looking for weaknesses. Are you?

Watch the webinar
Attack Surface Management (ASM) Approach
Cortex XPanse
Report

2024 Unit 42® Attack Surface Threat Report

Just three categories of exposures—IT and Networking Infrastructure, Business Operations Applications, and Remote Access Services—account for 73% of high-risk exposures and can be exploited for lateral movement and data exfiltration.
Get the report

Turn the odds in your favor

The move to hybrid work and the cloud have scattered your IT infrastructure, creating cracks in your security programs. Attack surface management (ASM) actively discovers, learns and responds to your unknown risks in all connected systems and exposed services.

Fight back with Active Attack Surface Management.

Read the datasheet
Attack Surface Management (ASM) Approach

Resolve unknown exposures with automation

Legacy vulnerability scanners scan infrequently. Security ratings and periodic pentesting are fine for your known assets. But what about the 30% or more assets that you’re not monitoring?

Learn more
Attack Surface Management (ASM) Approach
What Is Cortex Xpanse?
Xpanse is an active attack surface management solution that helps your organization actively discover, learn about and respond to unknown risks in all connected systems and exposed services.
ACTIVE DISCOVERYACTIVE LEARNINGACTIVE RESPONSE

Active discovery

Automatically, continuously scan the entire internet. Actively discover and index your unknown risks in all connected systems and exposed services.

ACTIVE DISCOVERY

Active learning

Use supervised machine-learning models to continuously map your attack surface and prioritize remediation efforts. Reduce MTTD and MTTR without additional analysts.

ACTIVE LEARNING

Active response

Immediately reduce your attack surface risks with built-in automated playbooks instead of merely raising IT tickets.

ACTIVE RESPONSE

Automatically find and fix your risks

IT tickets don’t reduce your risk, but automation does. Fix your unknown exposures before attackers find them.
  • 500B+

    PORTS SCANNED DAILY

  • 4.3B

    IPv4 ADDRESSES SCANNED MULTIPLE TIMES A DAY

  • All 6

    BRANCHES OF THE U.S. MILITARY USE XPANSE

Category leader. Validated by your peers.

Hear from Xpanse customers: Gartner Peer Insights.

Palo Alto Networks Cortex Xpanse was named a Leader and Outperformer in the GigaOm Attack Surface Management Radar Report

Attack surface management use cases

  • FIX SECURITY BLINDSPOTS

    Automatically discover and eliminate risks from unmanaged IT infrastructure in your environments.
    FIX SECURITY BLINDSPOTS

  • PREVENT RANSOMWARE

    Actively shut the door on ransomware attacks with automation.
    PREVENT RANSOMWARE

  • ELIMINATE SHADOW CLOUD

    Eliminate unsanctioned, rogue cloud sprawl.
    ELIMINATE SHADOW CLOUD

  • IMPROVE ZERO-DAY RESPONSE

    With just a click, assess and reduce your exposure to the latest CVE.
    IMPROVE ZERO-DAY RESPONSE

  • IMPROVE M&A EVALUATION

    Achieve better due diligence on security posture pre- and post-mergers and acquisitions.
    EVALUATE M&A BETTER

  • INTERNET OPERATIONS MANAGEMENT

    Actively discover risks on all your internet-connected systems and services.
    INTERNET OPERATIONS MANAGEMENT

  • REDUCE CYBER INSURANCE

    Eliminate unknown exposures to reduce insurance risk and premiums.
    REDUCE CYBER INSURANCE
FIX SECURITY BLINDSPOTS
PREVENT RANSOMWARE
ELIMINATE SHADOW CLOUD
IMPROVE ZERO-DAY RESPONSE
EVALUATE M&A BETTER
INTERNET OPERATIONS MANAGEMENT
REDUCE CYBER INSURANCE

Field-tested and deployed at scale by the world’s largest, most-demanding organizations like yours

Build your own ASM program

For CISOs

CISO’s Guide to ASM

For Vulnerability Managers

VM’s Guide to ASM

For SOC Directors

SOC’s Guide to ASM

For All

Attack Surface Assessment
How Xpanse Helps the Palo Alto Networks SOC Sleep Better
Watch Matt Mellen, Director of Security Operations, Palo Alto Networks
white triangle
Cortex XPanse
Cortex Xpanse
Cortex® Xpanse™ routinely discovers assets that an organization’s IT staff is unaware of and are not monitoring. Connect with our team to see what attackers see in an interactive demo.
Get a demo

Featured Resources

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REPORT

Forrester names Palo Alto Networks a Leader in Attack Surface Management.

See the data
Infographic

From Blind Spots to Protected Assets

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White Paper

CISO’s Guide to Attack Surface Management

Read now
White Paper

Through the Eyes of an Adversary with Xpanse Assess

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White Paper

Buyer’s Guide to ASM

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White paper

Security Ratings are Broken

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Webinar

On Demand: The Persistence of Unmanaged Attack Surfaces

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Webinar

On Demand: Value Drivers of ASM, Revealed

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USE CASE

Acquisition-Ready Architecture for Healthcare With Cortex Xpanse

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See all documents

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