The closest Zerofox External Attack Surface Management alternatives are ctlogs.dev, ImmuniWeb® Discovery and Outpost24 External Attack Surface Management. Picking a Zerofox External Attack Surface Management alternative comes down to fit: External Attack Surface Management coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
Closest 48 alternatives shownClosest matches: ctlogs.dev, ImmuniWeb® Discovery, Outpost24 External Attack Surface ManagementPage updated Nov 2026
The product
Zerofox External Attack Surface Management
by ZeroFox
Discovers and manages internet-facing assets with vulnerability prioritization
Zerofox External Attack Surface Management is a commercial External Attack Surface Management solution made by ZeroFox. The closest matches by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, ImmuniWeb® Discovery, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management, and QuimeraX External Attack Surface Management. All 48 alternatives on this page are ranked the same way.
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VisitThese 8 solutions overlap most with Zerofox External Attack Surface Management. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
Key features: Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API, Wildcard & Fingerprint Matching, SSL/TLS Certificate History Tracking
View ctlogs.devctlogs.dev alternativesZerofox External Attack Surface Management vs ctlogs.dev
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.
Cloud platform for continuous visibility & mgmt of external attack surfaces
External attack surface mgmt platform for discovering & monitoring assets
EASM platform for continuous monitoring of internet-exposed assets & vulnerabilities
Continuous discovery, monitoring, and testing of external assets and exposures
EASM platform with continuous asset discovery and threat intelligence context
EASM platform combined with PTaaS for web app discovery and testing
External attack surface management platform with AI-powered risk assessment
External attack surface monitoring with threat intel and brand protection
OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web.
EASM platform for continuous external attack surface discovery and risk mgmt.
Maps external attack surface including assets, dark web exposure, and leaks.
AI-enhanced EASM platform for external attack surface discovery and monitoring.
Agentless external attack surface & dark web monitoring platform.
Continuous, agentless discovery and threat-intel enrichment of external internet-facing
AI-driven asset discovery and vulnerability risk monitoring system by MoreSec
Active attack surface mgmt solution for discovering & remediating unknown risks
AI-driven EASM platform for discovering and monitoring external-facing assets
Attack surface discovery platform monitoring digital assets and data exposures
Agentless API attack surface discovery and vulnerability detection platform
External attack surface mgmt platform with remediation acceleration features
External attack surface monitoring with dark web intelligence and scanning
Platform for continuous attack surface discovery, monitoring, and remediation
Attack surface intelligence platform for threat hunting and asset discovery
External attack surface scanning for MSPs to identify vulnerabilities
Cyber Exposure Manager: continuous visibility and remediation for external risk
ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks.
Scans domains to discover attack surface, vulnerabilities, and generate hardening
AI-powered attack surface management platform for cybersecurity monitoring
AI-powered platform for continuous attack surface discovery and pentesting
Discovers and monitors external-facing assets and vulnerabilities
External attack surface management platform with continuous asset discovery
External attack surface management platform for discovering digital assets
Internet intelligence platform for asset discovery and attack surface mapping
SaaS platform for attack surface management and vulnerability detection
Supply chain intelligence platform mapping digital ecosystems & proximity risks
Attack surface mgmt platform with vuln scanning and cloud security features
Attack surface management platform for monitoring vulnerabilities and breaches
External attack surface mgmt with automated pentesting and validation
SOCRadar Attack Surface Management is an EASM platform that continuously discovers, monitors, and assesses internet-facing digital assets for vulnerabilities and security risks.
Automated ASM tool for multi-cloud environments with continuous asset discovery
External attack surface mgmt with asset discovery and on-demand pentesting
Internet intelligence platform for asset discovery and threat analysis
Passive asset discovery platform using Netflow data for attack surface mapping
DNS security posture management across multicloud and on-prem environments
Common questions when weighing alternatives to Zerofox External Attack Surface Management.
The closest matches to Zerofox External Attack Surface Management by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, ImmuniWeb® Discovery, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management, and QuimeraX External Attack Surface Management. All of them are External Attack Surface Management products.
This page shows 48 alternatives to Zerofox External Attack Surface Management, all in the External Attack Surface Management category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
Zerofox External Attack Surface Management is a commercial External Attack Surface Management product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free.
Zerofox External Attack Surface Management is a External Attack Surface Management product in the Exposure & Vulnerability Management category. You can compare it with the 48 other External Attack Surface Management products on this page.
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.
Key features: 10 listed. See them on the ImmuniWeb® Discovery page.
View ImmuniWeb® DiscoveryImmuniWeb® Discovery alternativesZerofox External Attack Surface Management vs ImmuniWeb® Discovery
Cloud platform for continuous visibility & mgmt of external attack surfaces
Key features: 10 listed. See them on the Outpost24 External Attack Surface Management page.
View Outpost24 External Attack Surface ManagementOutpost24 External Attack Surface Management alternativesZerofox External Attack Surface Management vs Outpost24 External Attack Surface Management
External attack surface mgmt platform for discovering & monitoring assets
Key features: 10 listed. See them on the Halo Security Attack Surface Management page.
View Halo Security Attack Surface ManagementHalo Security Attack Surface Management alternativesZerofox External Attack Surface Management vs Halo Security Attack Surface Management
EASM platform for continuous monitoring of internet-exposed assets & vulnerabilities
Key features: 10 listed. See them on the QuimeraX External Attack Surface Management page.
View QuimeraX External Attack Surface ManagementQuimeraX External Attack Surface Management alternativesZerofox External Attack Surface Management vs QuimeraX External Attack Surface Management
Continuous discovery, monitoring, and testing of external assets and exposures
Key features: 8 listed. See them on the NetSPI External Attack Surface Management (EASM) page.
View NetSPI External Attack Surface Management (EASM)NetSPI External Attack Surface Management (EASM) alternativesZerofox External Attack Surface Management vs NetSPI External Attack Surface Management (EASM)
EASM platform with continuous asset discovery and threat intelligence context
Key features: 10 listed. See them on the Orpheus External Attack Surface Management page.
View Orpheus External Attack Surface ManagementOrpheus External Attack Surface Management alternativesZerofox External Attack Surface Management vs Orpheus External Attack Surface Management
EASM platform combined with PTaaS for web app discovery and testing
Key features: 10 listed. See them on the Outpost24 CyberFlex page.
View Outpost24 CyberFlexOutpost24 CyberFlex alternativesZerofox External Attack Surface Management vs Outpost24 CyberFlex
Need the answer fast? Best Attack Surface Management Solutions for Business picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.See the shortlist