# NetSPI External Attack Surface Management (EASM) alternatives and competitors (2026)

The closest NetSPI External Attack Surface Management (EASM) alternatives are [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev), [Outpost24 External Attack Surface Management](https://cybersectools.com/tools/outpost24-external-attack-surface-management) and [Halo Security Attack Surface Management](https://cybersectools.com/tools/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 shown. Closest matches: ctlogs.dev, Outpost24 External Attack Surface Management, Halo Security Attack Surface Management.

## The product

[NetSPI External Attack Surface Management (EASM)](https://cybersectools.com/tools/netspi-external-attack-surface-management-easm) by NetSPI

Continuous discovery, monitoring, and testing of external assets and exposures

Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · Pricing model: Commercial

Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.

## NetSPI External Attack Surface Management (EASM) alternatives and competitors

NetSPI External Attack Surface Management (EASM) is a commercial [External Attack Surface Management](https://cybersectools.com/categories/external-asm) solution made by NetSPI. The closest matches by shared tags and NIST CSF 2.0 coverage are [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev), [Outpost24 External Attack Surface Management](https://cybersectools.com/tools/outpost24-external-attack-surface-management), [Halo Security Attack Surface Management](https://cybersectools.com/tools/halo-security-attack-surface-management), [QuimeraX External Attack Surface Management](https://cybersectools.com/tools/quimerax-external-attack-surface-management), and [ImmuniWeb® Discovery](https://cybersectools.com/tools/immuniweb-discovery). All 48 alternatives on this page are ranked the same way.

## The closest NetSPI External Attack Surface Management (EASM) alternatives

These 8 solutions overlap most with NetSPI External Attack Surface Management (EASM). Each one says what the product does and, when the overlap is big enough, which capabilities it shares.

### 1. [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev)

Fast Certificate Transparency search and JSON API for subdomain reconnaissance.

[External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial

Key features: Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API, Wildcard & Fingerprint Matching, SSL/TLS Certificate History Tracking

[ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) · [NetSPI External Attack Surface Management (EASM) vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-netspi-external-attack-surface-management-easm)

### 2. [Outpost24 External Attack Surface Management](https://cybersectools.com/tools/outpost24-external-attack-surface-management)

Cloud platform for continuous visibility & mgmt of external attack surfaces

[External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial

Key features: 10 listed. See them on the [Outpost24 External Attack Surface Management page](https://cybersectools.com/tools/outpost24-external-attack-surface-management#features).

[Outpost24 External Attack Surface Management alternatives](https://cybersectools.com/alternatives/outpost24-external-attack-surface-management) · [NetSPI External Attack Surface Management (EASM) vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-outpost24-external-attack-surface-management)

### 3. [Halo Security Attack Surface Management](https://cybersectools.com/tools/halo-security-attack-surface-management)

External attack surface mgmt platform for discovering & monitoring assets

[External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial

Key features: 10 listed. See them on the [Halo Security Attack Surface Management page](https://cybersectools.com/tools/halo-security-attack-surface-management#features).

[Halo Security Attack Surface Management alternatives](https://cybersectools.com/alternatives/halo-security-attack-surface-management) · [NetSPI External Attack Surface Management (EASM) vs Halo Security Attack Surface Management](https://cybersectools.com/compare/halo-security-attack-surface-management-vs-netspi-external-attack-surface-management-easm)

### 4. [QuimeraX External Attack Surface Management](https://cybersectools.com/tools/quimerax-external-attack-surface-management)

EASM platform for continuous monitoring of internet-exposed assets & vulnerabilities

[External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial

Key features: 10 listed. See them on the [QuimeraX External Attack Surface Management page](https://cybersectools.com/tools/quimerax-external-attack-surface-management#features).

[QuimeraX External Attack Surface Management alternatives](https://cybersectools.com/alternatives/quimerax-external-attack-surface-management) · [NetSPI External Attack Surface Management (EASM) vs QuimeraX External Attack Surface Management](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-quimerax-external-attack-surface-management)

### 5. [ImmuniWeb® Discovery](https://cybersectools.com/tools/immuniweb-discovery)

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 Management](https://cybersectools.com/categories/external-asm) · Commercial

Key features: 10 listed. See them on the [ImmuniWeb® Discovery page](https://cybersectools.com/tools/immuniweb-discovery#features).

[ImmuniWeb® Discovery alternatives](https://cybersectools.com/alternatives/immuniweb-discovery) · [NetSPI External Attack Surface Management (EASM) vs ImmuniWeb® Discovery](https://cybersectools.com/compare/immuniweb-discovery-vs-netspi-external-attack-surface-management-easm)

### 6. [Orpheus External Attack Surface Management](https://cybersectools.com/tools/orpheus-external-attack-surface-management)

EASM platform with continuous asset discovery and threat intelligence context

[External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial

Key features: 10 listed. See them on the [Orpheus External Attack Surface Management page](https://cybersectools.com/tools/orpheus-external-attack-surface-management#features).

[Orpheus External Attack Surface Management alternatives](https://cybersectools.com/alternatives/orpheus-external-attack-surface-management) · [NetSPI External Attack Surface Management (EASM) vs Orpheus External Attack Surface Management](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-orpheus-external-attack-surface-management)

### 7. [CyCraft XCockpit EASM](https://cybersectools.com/tools/cycraft-xcockpit-easm)

External attack surface management platform with AI-powered risk assessment

[External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial

Key features: 10 listed. See them on the [CyCraft XCockpit EASM page](https://cybersectools.com/tools/cycraft-xcockpit-easm#features).

[CyCraft XCockpit EASM alternatives](https://cybersectools.com/alternatives/cycraft-xcockpit-easm) · [NetSPI External Attack Surface Management (EASM) vs CyCraft XCockpit EASM](https://cybersectools.com/compare/cycraft-xcockpit-easm-vs-netspi-external-attack-surface-management-easm)

### 8. [UpGuard Breach Risk](https://cybersectools.com/tools/upguard-breach-risk)

External attack surface monitoring with threat intel and brand protection

[External Attack Surface Management](https://cybersectools.com/categories/external-asm) · Commercial

Key features: 10 listed. See them on the [UpGuard Breach Risk page](https://cybersectools.com/tools/upguard-breach-risk#features).

[UpGuard Breach Risk alternatives](https://cybersectools.com/alternatives/upguard-breach-risk) · [NetSPI External Attack Surface Management (EASM) vs UpGuard Breach Risk](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-upguard-breach-risk)

## The closest 48 products like NetSPI External Attack Surface Management (EASM)

The 8 above, plus:

- [Aleph Search](https://cybersectools.com/tools/aleph-search-clear): OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web. (Commercial)
- [Coinnect EASM Platform](https://cybersectools.com/tools/coinnect-easm-platform): EASM platform for continuous external attack surface discovery and risk mgmt. (Commercial)
- [Muscope|Risk - Attack Perimeter](https://cybersectools.com/tools/muscopeorrisk-attack-perimeter): Maps external attack surface including assets, dark web exposure, and leaks. (Commercial)
- [GuardEon](https://cybersectools.com/tools/guardeon): Agentless external attack surface & dark web monitoring platform. (Commercial)
- [ArmorPoint Attack Surface Management](https://cybersectools.com/tools/armorpoint-attack-surface-management): Continuous, agentless discovery and threat-intel enrichment of external internet-facing (Commercial)
- [DarkInvader EASM Platform](https://cybersectools.com/tools/darkinvader-easm-platform) (Commercial)
- [FalconTech Threat Hunter](https://cybersectools.com/tools/falcontech-threat-hunter) (Commercial)
- [MoreSec Sentry Cloud](https://cybersectools.com/tools/moresec-sentry-cloud): AI-driven asset discovery and vulnerability risk monitoring system by MoreSec (Commercial)
- [Zerofox External Attack Surface Management](https://cybersectools.com/tools/zerofox-external-attack-surface-management): Discovers and manages internet-facing assets with vulnerability prioritization (Commercial)
- [DarknetSearch Attack Surface Discovery](https://cybersectools.com/tools/darknetsearch-attack-surface-discovery): Attack surface discovery platform monitoring digital assets and data exposures (Commercial)
- [Guardz External Footprint](https://cybersectools.com/tools/guardz-external-footprint): External attack surface monitoring with dark web intelligence and scanning (Commercial)
- [Outpost24 CyberFlex](https://cybersectools.com/tools/outpost24-cyberflex): EASM platform combined with PTaaS for web app discovery and testing (Commercial)
- [ConnectSecure Attack Surface Scanning](https://cybersectools.com/tools/connectsecure-attack-surface-scanning): External attack surface scanning for MSPs to identify vulnerabilities (Commercial)
- [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm): ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks. (Commercial)
- [TRaViS](https://cybersectools.com/tools/travis): AI-enhanced EASM platform for external attack surface discovery and monitoring. (Commercial)
- [StrikeOne Attack Surfa](https://cybersectools.com/tools/strikeone-attack-surfa): AI-powered attack surface management platform for cybersecurity monitoring (Commercial)
- [Hadrian Agentic AI](https://cybersectools.com/tools/hadrian-agentic-ai): AI-powered platform for continuous attack surface discovery and pentesting (Commercial)
- [Microsoft Defender EASM](https://cybersectools.com/tools/microsoft-defender-external-attack-surface-management): Discovers and monitors external-facing assets and vulnerabilities (Commercial)
- [Assetnote ASM](https://cybersectools.com/tools/assetnote-asm): External attack surface management platform with continuous asset discovery (Commercial)
- [Censys Attack Surface Management](https://cybersectools.com/tools/censys-attack-surface-management): Internet intelligence platform for asset discovery and attack surface mapping (Commercial)
- [Risksurface](https://cybersectools.com/tools/risksurface): SaaS platform for attack surface management and vulnerability detection (Commercial)
- [RiskXchange Attack Surface Management](https://cybersectools.com/tools/riskxchange-attack-surface-management): Attack surface management platform for monitoring vulnerabilities and breaches (Commercial)
- [Pentera Surface](https://cybersectools.com/tools/pentera-surface): External attack surface mgmt with automated pentesting and validation (Commercial)
- [SOC Radar Attack Surface Management](https://cybersectools.com/tools/soc-radar-attack-surface-management): SOCRadar Attack Surface Management is an EASM platform that continuously discovers, monitors, and assesses internet-facing digital assets for vulnerabilities and security risks. (Commercial)
- [Matos Automated Attack Surface Management](https://cybersectools.com/tools/cloudmatos-automated-attack-surface-management): Automated ASM tool for multi-cloud environments with continuous asset discovery (Commercial)
- [Synack Attack Surface Discovery](https://cybersectools.com/tools/synack-attack-surface-discovery): External attack surface mgmt with asset discovery and on-demand pentesting (Commercial)
- [Palo Alto Networks Cortex Xpanse](https://cybersectools.com/tools/palo-alto-networks-cortex-xpanse): Active attack surface mgmt solution for discovering & remediating unknown risks (Commercial)
- [Censys Internet Intelligence Platform](https://cybersectools.com/tools/censys-internet-intelligence-platform): Internet intelligence platform for asset discovery and threat analysis (Commercial)
- [Anomali Attack Surface Management](https://cybersectools.com/tools/anomali-attack-surface-management): External attack surface management platform for asset discovery and vuln mgmt (Commercial)
- [Siemba EASM](https://cybersectools.com/tools/siemba-easm): AI-driven EASM platform for discovering and monitoring external-facing assets (Commercial)
- [CyberXTron ShadowSpot](https://cybersectools.com/tools/cyberxtron-shadowspot): External attack surface management platform for asset discovery and risk detection (Commercial)
- [Axur Unified EASM + CTI](https://cybersectools.com/tools/axur-unified-easm-cti): EASM platform with integrated CTI for asset discovery and vulnerability mgmt (Commercial)
- [GoSecure Titan® Attack Surface Management](https://cybersectools.com/tools/gosecure-titanr-attack-surface-management): Discovers, monitors, and assesses external attack surface assets continuously. (Commercial)
- [Trickest ASM - Attack Surface Management](https://cybersectools.com/tools/trickest-asm-attack-surface-management): Customizable ASM platform for asset discovery, monitoring, and enrichment (Commercial)
- [Criminal IP Security Scanning Service](https://cybersectools.com/tools/criminal-ip-security-scanning-service): Internet-connected asset search engine with vulnerability scanning capabilities (Commercial)
- [CyCognito EASM Platform](https://cybersectools.com/tools/cycognito-easm-platform): EASM platform that discovers, attributes, and actively validates external assets and risks (Commercial)
- [ThreatMon Attack Surface Intelligence](https://cybersectools.com/tools/threatmon-attack-surface-intelligence): Attack surface management platform for asset discovery and vulnerability monitoring (Commercial)
- [FortifyData Attack Surface Management](https://cybersectools.com/tools/fortifydata-attack-surface-management): ASM platform for discovering, monitoring, and prioritizing external/internal assets (Commercial)
- [Intel 471 Cyber Threat Exposure](https://cybersectools.com/tools/intel-471-cyber-threat-exposure): CTI-driven external attack surface mgmt with threat exposure prioritization (Commercial)
- [Searchlight Exposure](https://cybersectools.com/tools/assetnote-attack-surface-management-tool): ASM platform that scans external attack surfaces hourly for vulnerabilities (Commercial)

## Alternatives to each of these

[ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) · [Outpost24 External Attack Surface Management alternatives](https://cybersectools.com/alternatives/outpost24-external-attack-surface-management) · [Halo Security Attack Surface Management alternatives](https://cybersectools.com/alternatives/halo-security-attack-surface-management) · [QuimeraX External Attack Surface Management alternatives](https://cybersectools.com/alternatives/quimerax-external-attack-surface-management) · [ImmuniWeb® Discovery alternatives](https://cybersectools.com/alternatives/immuniweb-discovery) · [Orpheus External Attack Surface Management alternatives](https://cybersectools.com/alternatives/orpheus-external-attack-surface-management) · [CyCraft XCockpit EASM alternatives](https://cybersectools.com/alternatives/cycraft-xcockpit-easm) · [UpGuard Breach Risk alternatives](https://cybersectools.com/alternatives/upguard-breach-risk) · [Aleph Search alternatives](https://cybersectools.com/alternatives/aleph-search-clear) · [Coinnect EASM Platform alternatives](https://cybersectools.com/alternatives/coinnect-easm-platform) · [Muscope|Risk - Attack Perimeter alternatives](https://cybersectools.com/alternatives/muscopeorrisk-attack-perimeter) · [GuardEon alternatives](https://cybersectools.com/alternatives/guardeon)

## Other NetSPI products

[NetSPI Cyber Asset Attack Surface Management (CAASM) alternatives](https://cybersectools.com/alternatives/netspi-cyber-asset-attack-surface-management-caasm) · [NetSPI Detective Controls Testing alternatives](https://cybersectools.com/alternatives/netspi-detective-controls-testing) · [NetSPI Platform alternatives](https://cybersectools.com/alternatives/netspi-platform)

## Compare NetSPI External Attack Surface Management (EASM) with

- [NetSPI External Attack Surface Management (EASM) vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-netspi-external-attack-surface-management-easm)
- [NetSPI External Attack Surface Management (EASM) vs Outpost24 External Attack Surface Management](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-outpost24-external-attack-surface-management)
- [NetSPI External Attack Surface Management (EASM) vs Halo Security Attack Surface Management](https://cybersectools.com/compare/halo-security-attack-surface-management-vs-netspi-external-attack-surface-management-easm)
- [NetSPI External Attack Surface Management (EASM) vs QuimeraX External Attack Surface Management](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-quimerax-external-attack-surface-management)
- [NetSPI External Attack Surface Management (EASM) vs ImmuniWeb® Discovery](https://cybersectools.com/compare/immuniweb-discovery-vs-netspi-external-attack-surface-management-easm)
- [NetSPI External Attack Surface Management (EASM) vs Orpheus External Attack Surface Management](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-orpheus-external-attack-surface-management)
- [NetSPI External Attack Surface Management (EASM) vs CyCraft XCockpit EASM](https://cybersectools.com/compare/cycraft-xcockpit-easm-vs-netspi-external-attack-surface-management-easm)
- [NetSPI External Attack Surface Management (EASM) vs UpGuard Breach Risk](https://cybersectools.com/compare/netspi-external-attack-surface-management-easm-vs-upguard-breach-risk)

## NetSPI External Attack Surface Management (EASM) Alternatives FAQ

### What are the closest 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.

### How many alternatives to NetSPI External Attack Surface Management (EASM) are available?

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.

### Is NetSPI External Attack Surface Management (EASM) free or commercial?

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.

### What type of solution is NetSPI External Attack Surface Management (EASM)?

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.

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Source: https://cybersectools.com/alternatives/netspi-external-attack-surface-management-easm

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL).

More on NetSPI External Attack Surface Management (EASM) and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md
