The closest Halo Security External Attack Surface Management alternatives are ctlogs.dev, CyCognito EASM Platform and Outpost24 External Attack Surface Management. Picking a Halo Security 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, CyCognito EASM Platform, Outpost24 External Attack Surface ManagementPage updated Nov 2026
The product
Halo Security External Attack Surface Management
by Halo Security
External attack surface management platform for asset discovery and monitoring
Halo Security External Attack Surface Management is a commercial External Attack Surface Management solution made by Halo Security. The closest matches by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, CyCognito EASM Platform, Outpost24 External Attack Surface Management, StrikeOne Attack Surfa, and Hadrian Agentic AI. All 48 alternatives on this page are ranked the same way.
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VisitThese 8 solutions overlap most with Halo Security 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 alternativesHalo Security External Attack Surface Management vs ctlogs.dev
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
EASM platform that discovers, attributes, and actively validates external assets and risks
Cloud platform for continuous visibility & mgmt of external attack surfaces
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
Internet intelligence platform for asset discovery and attack surface mapping
SaaS platform for attack surface management and vulnerability detection
EASM platform for continuous monitoring of internet-exposed assets & vulnerabilities
Attack surface mgmt platform with vuln scanning and cloud security features
Attack surface management platform for monitoring vulnerabilities and breaches
Discovers and monitors external internet assets for exposures and vulnerabilities
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.
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
Active attack surface mgmt solution for discovering & remediating unknown risks
Internet intelligence platform for asset discovery and threat analysis
AI-driven internet scanning platform for asset discovery and threat hunting
DNS security posture management across multicloud and on-prem environments
External attack surface management platform for asset discovery and vuln mgmt
AI-driven EASM platform for discovering and monitoring external-facing assets
External attack surface management platform for asset discovery and risk detection
EASM platform with integrated CTI for asset discovery and vulnerability mgmt
Attack surface discovery platform monitoring digital assets and data exposures
Platform for external attack surface management and application security testing
Monitors internet-facing subdomains for vulnerabilities and misconfigurations
Discovers, monitors, and assesses external attack surface assets continuously.
Continuous discovery, monitoring, and testing of external assets and exposures
External attack surface management with continuous security testing
EASM platform with continuous asset discovery and threat intelligence context
Customizable ASM platform for asset discovery, monitoring, and enrichment
Internet-connected asset search engine with vulnerability scanning capabilities
Attack surface management platform for discovering and securing exposed assets
Attack surface management platform for asset discovery and vulnerability monitoring
ASM platform for discovering, monitoring, and prioritizing external/internal assets
CTI-driven external attack surface mgmt with threat exposure prioritization
ASM platform that scans external attack surfaces hourly for vulnerabilities
Cloud-based EASM platform for discovering internet-facing assets & exposures
EASM platform for continuous external attack surface monitoring and detection
Platform for continuous attack surface discovery, monitoring, and remediation
Continuously maps digital footprint, identifies exposures & validates exploitability
External attack surface management platform with AI-powered risk assessment
External attack surface management platform for asset discovery and monitoring
Monitors external attack surface to identify assets and vulnerabilities
External attack surface monitoring with threat intel and brand protection
Common questions when weighing alternatives to Halo Security External Attack Surface Management.
The closest matches to Halo Security External Attack Surface Management by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, CyCognito EASM Platform, Outpost24 External Attack Surface Management, StrikeOne Attack Surfa, and Hadrian Agentic AI. All of them are External Attack Surface Management products.
This page shows 48 alternatives to Halo Security 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.
Halo Security 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.
Halo Security 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.
EASM platform that discovers, attributes, and actively validates external assets and risks
Key features: 7 listed. See them on the CyCognito EASM Platform page.
View CyCognito EASM PlatformCyCognito EASM Platform alternativesHalo Security External Attack Surface Management vs CyCognito EASM Platform
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 alternativesHalo Security External Attack Surface Management vs Outpost24 External Attack Surface Management
AI-powered attack surface management platform for cybersecurity monitoring
Key features: 5 listed. See them on the StrikeOne Attack Surfa page.
View StrikeOne Attack SurfaStrikeOne Attack Surfa alternativesHalo Security External Attack Surface Management vs StrikeOne Attack Surfa
AI-powered platform for continuous attack surface discovery and pentesting
Key features: 10 listed. See them on the Hadrian Agentic AI page.
View Hadrian Agentic AIHadrian Agentic AI alternativesHalo Security External Attack Surface Management vs Hadrian Agentic AI
Discovers and monitors external-facing assets and vulnerabilities
Key features: 10 listed. See them on the Microsoft Defender EASM page.
View Microsoft Defender EASMMicrosoft Defender EASM alternativesHalo Security External Attack Surface Management vs Microsoft Defender EASM
External attack surface management platform with continuous asset discovery
Key features: 10 listed. See them on the Assetnote ASM page.
View Assetnote ASMAssetnote ASM alternativesHalo Security External Attack Surface Management vs Assetnote ASM
Internet intelligence platform for asset discovery and attack surface mapping
Key features: 10 listed. See them on the Censys Attack Surface Management page.
View Censys Attack Surface ManagementCensys Attack Surface Management alternativesHalo Security External Attack Surface Management vs Censys Attack Surface Management
Need the answer fast? Best Attack Surface Management Solutions for Business picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Google Mandiant Attack Surface Management and 4 more.See the shortlist