The closest NetSPI External Attack Surface Management (EASM) alternatives are ctlogs.dev, Outpost24 External Attack Surface Management and Halo Security Attack Surface Management. Picking a NetSPI External Attack Surface Management (EASM) 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, Outpost24 External Attack Surface Management, Halo Security Attack Surface ManagementPage updated Nov 2026
The product
NetSPI External Attack Surface Management (EASM)
by NetSPI
Continuous discovery, monitoring, and testing of external assets and exposures
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
NetSPI External Attack Surface Management (EASM) is a commercial External Attack Surface Management solution made by NetSPI. The closest matches by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management, QuimeraX External Attack Surface Management, and ImmuniWeb® Discovery. All 48 alternatives on this page are ranked the same way.
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VisitThese 8 solutions overlap most with NetSPI External Attack Surface Management (EASM). 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 alternativesNetSPI External Attack Surface Management (EASM) vs ctlogs.dev
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
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
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.
EASM platform with continuous asset discovery and threat intelligence context
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.
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
Discovers and manages internet-facing assets with vulnerability prioritization
Attack surface discovery platform monitoring digital assets and data exposures
External attack surface monitoring with dark web intelligence and scanning
EASM platform combined with PTaaS for web app discovery and testing
External attack surface scanning for MSPs to identify vulnerabilities
ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks.
AI-enhanced EASM platform for external attack surface discovery and monitoring.
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
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
Active attack surface mgmt solution for discovering & remediating unknown risks
Internet intelligence platform for asset discovery and threat analysis
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
Discovers, monitors, and assesses external attack surface assets continuously.
Customizable ASM platform for asset discovery, monitoring, and enrichment
Internet-connected asset search engine with vulnerability scanning capabilities
EASM platform that discovers, attributes, and actively validates external assets and risks
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
Common questions when weighing alternatives to NetSPI External Attack Surface Management (EASM).
The closest matches to NetSPI External Attack Surface Management (EASM) by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management, QuimeraX External Attack Surface Management, and ImmuniWeb® Discovery. All of them are External Attack Surface Management products.
This page shows 48 alternatives to NetSPI External Attack Surface Management (EASM), 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.
NetSPI External Attack Surface Management (EASM) 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.
NetSPI External Attack Surface Management (EASM) 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.
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 alternativesNetSPI External Attack Surface Management (EASM) 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 alternativesNetSPI External Attack Surface Management (EASM) 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 alternativesNetSPI External Attack Surface Management (EASM) vs QuimeraX External Attack Surface Management
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 alternativesNetSPI External Attack Surface Management (EASM) vs ImmuniWeb® Discovery
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 alternativesNetSPI External Attack Surface Management (EASM) vs Orpheus External Attack Surface Management
External attack surface management platform with AI-powered risk assessment
Key features: 10 listed. See them on the CyCraft XCockpit EASM page.
View CyCraft XCockpit EASMCyCraft XCockpit EASM alternativesNetSPI External Attack Surface Management (EASM) vs CyCraft XCockpit EASM
External attack surface monitoring with threat intel and brand protection
Key features: 10 listed. See them on the UpGuard Breach Risk page.
View UpGuard Breach RiskUpGuard Breach Risk alternativesNetSPI External Attack Surface Management (EASM) vs UpGuard Breach Risk