Best Zerofox External Attack Surface Management Alternatives & Competitors in 2026
Top picks: ImmuniWeb® Discovery, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management — plus 45 more compared.
Attack SurfaceTop picks: ImmuniWeb® Discovery, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management — plus 45 more compared.
Attack SurfaceZerofox External Attack Surface Management is a commercial External Attack Surface Management tool developed by ZeroFox. Security professionals most commonly compare it with ImmuniWeb® Discovery, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management, QuimeraX External Attack Surface Management, and CybelAngel Attack Surface Management. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to Zerofox External Attack Surface Management, including their key features and shared capabilities.
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
External threat intelligence platform for attack surface mgmt & data breach prevention
AI-driven cyber-surveillance platform for threat detection and monitoring
Attack surface management platform with dark web & brand monitoring capabilities
Attack surface discovery platform monitoring digital assets and data exposures
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
External threat intelligence platform for attack surface mgmt & data breach prevention
AI-driven cyber-surveillance platform for threat detection and monitoring
Attack surface management platform with dark web & brand monitoring capabilities
Attack surface discovery platform monitoring digital assets and data exposures
Continuous discovery, monitoring, and testing of external assets and exposures
EASM platform with continuous asset discovery and threat intelligence context
External attack surface monitoring with dark web intelligence and scanning
EASM platform combined with PTaaS for web app discovery and testing
Cyber risk monitoring platform with vulnerability scanning and alerting
External risk mgmt platform with threat intel, dark web monitoring, and ASM
External attack surface management platform with AI-powered risk assessment
Attack surface intelligence platform for threat hunting and asset discovery
External attack surface monitoring with threat intel and brand protection
External attack surface scanning for MSPs to identify vulnerabilities
External cyber risk assessment tool for businesses and portfolios
Cyber risk management platform for SMEs with breach monitoring and training
AI-native platform for autonomous threat monitoring, detection, and remediation
Cybersecurity risk discovery platform for attack surface management and auditing
OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web.
AI-driven platform for cyber risk assessment, monitoring, and mitigation.
EASM platform for continuous external attack surface discovery and risk mgmt.
Maps external attack surface including assets, dark web exposure, and leaks.
Attack surface mgmt platform with vuln scanning and cloud security features
External attack surface mgmt platform with continuous discovery & validation
Active attack surface mgmt solution for discovering & remediating unknown risks
Attack surface monitoring platform with automated security validation testing
AI-driven EASM platform for discovering and monitoring external-facing assets
Agentless API attack surface discovery and vulnerability detection platform
Monitors internet-facing subdomains for vulnerabilities and misconfigurations
LLM-powered security platform for finding and fixing security gaps
External attack surface mgmt platform with remediation acceleration features
Platform for continuous attack surface discovery, monitoring, and remediation
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
Preemptive Exposure Management platform for continuous attack surface testing
Platform for offensive security operations including ASM, VA, and DAST
SaaS platform for attack surface management and vulnerability detection
Supply chain intelligence platform mapping digital ecosystems & proximity risks
Attack surface management platform for monitoring vulnerabilities and breaches
Attack surface management platform for automated pentesting and vuln scanning
Common questions security professionals ask when evaluating alternatives and competitors to Zerofox External Attack Surface Management.
The most popular alternatives to Zerofox External Attack Surface Management include ImmuniWeb® Discovery, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management, QuimeraX External Attack Surface Management, and CybelAngel Attack Surface Management. These External Attack Surface Management tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
