# Assetnote ASM alternatives and competitors (2026)

The closest Assetnote ASM alternatives are [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev), [Criminal IP Security Scanning Service](https://cybersectools.com/tools/criminal-ip-security-scanning-service) and [Attaxion](https://cybersectools.com/tools/attaxion). Picking an Assetnote ASM 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, Criminal IP Security Scanning Service, Attaxion.

## The product

[Assetnote ASM](https://cybersectools.com/tools/assetnote-asm) by Assetnote

External attack surface management platform with continuous asset discovery

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.

## Assetnote ASM alternatives and competitors

Assetnote ASM is a commercial [External Attack Surface Management](https://cybersectools.com/categories/external-asm) solution made by Assetnote. The closest matches by shared tags and NIST CSF 2.0 coverage are [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev), [Criminal IP Security Scanning Service](https://cybersectools.com/tools/criminal-ip-security-scanning-service), [Attaxion](https://cybersectools.com/tools/attaxion), [DarkInvader EASM Platform](https://cybersectools.com/tools/darkinvader-easm-platform), and [DDactic Attack Surface Discovery](https://cybersectools.com/tools/ddactic-attack-surface-discovery). All 48 alternatives on this page are ranked the same way.

## The closest Assetnote ASM alternatives

These 8 solutions overlap most with Assetnote ASM. 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) · [Assetnote ASM vs ctlogs.dev](https://cybersectools.com/compare/assetnote-asm-vs-ctlogsdev)

### 2. [Criminal IP Security Scanning Service](https://cybersectools.com/tools/criminal-ip-security-scanning-service)

Internet-connected asset search engine with vulnerability scanning capabilities

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

Key features: 10 listed. See them on the [Criminal IP Security Scanning Service page](https://cybersectools.com/tools/criminal-ip-security-scanning-service#features).

[Criminal IP Security Scanning Service alternatives](https://cybersectools.com/alternatives/criminal-ip-security-scanning-service) · [Assetnote ASM vs Criminal IP Security Scanning Service](https://cybersectools.com/compare/assetnote-asm-vs-criminal-ip-security-scanning-service)

### 3. [Attaxion](https://cybersectools.com/tools/attaxion)

Agentless EASM platform for asset discovery, exposure mgmt & risk reduction.

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

Key features: 10 listed. See them on the [Attaxion page](https://cybersectools.com/tools/attaxion#features).

[Attaxion alternatives](https://cybersectools.com/alternatives/attaxion) · [Assetnote ASM vs Attaxion](https://cybersectools.com/compare/assetnote-asm-vs-attaxion)

### 4. [DarkInvader EASM Platform](https://cybersectools.com/tools/darkinvader-easm-platform)

DarkInvader is an external attack surface management platform that provides continuous discovery, monitoring, and assessment of an organisation's internet-facing assets. The platform automatically maps an organisation's digital footprint, including domains, subdomains, IP addresses, cloud services, SaaS platforms, and APIs, to identify shadow IT, forgotten infrastructure, and unmanaged assets. It provides geographical mapping of hosting locations to support compliance and third-party risk assessment. DarkInvader continuously monitors discovered assets for configuration changes, new exposures, and emerging vulnerabilities, tracking historical modifications and issuing real-time alerts when high-risk changes are detected. Prioritisation logic is applied to highlight exposures most likely to be exploited, based on asset criticality and attacker relevance. The assessment stage scans infrastructure and web applications using a dual-engine vulnerability scanning approach to identify weaknesses, misconfigurations, and emerging exposures, while automatically tracking remediation status over time and producing vulnerability reports for technical and executive audiences. The platform also includes an intelligence stage that analyses OSINT from the surface and dark web using AI to detect credential exposure, patterns, and emerging risks across digital, social, supplier, and human attack vectors.</description> <parameter name="summary">Continuous external attack surface management with AI-driven asset discovery and monitoring

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

Key features: 10 listed. See them on the [DarkInvader EASM Platform page](https://cybersectools.com/tools/darkinvader-easm-platform#features).

[DarkInvader EASM Platform alternatives](https://cybersectools.com/alternatives/darkinvader-easm-platform) · [Assetnote ASM vs DarkInvader EASM Platform](https://cybersectools.com/compare/assetnote-asm-vs-darkinvader-easm-platform)

### 5. [DDactic Attack Surface Discovery](https://cybersectools.com/tools/ddactic-attack-surface-discovery)

Scans domains to discover attack surface, vulnerabilities, and generate hardening

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

Key features: 10 listed. See them on the [DDactic Attack Surface Discovery page](https://cybersectools.com/tools/ddactic-attack-surface-discovery#features).

[DDactic Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/ddactic-attack-surface-discovery) · [Assetnote ASM vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/assetnote-asm-vs-ddactic-attack-surface-discovery)

### 6. [Cylana EASM](https://cybersectools.com/tools/cylana-easm)

AI-powered EASM platform for digital asset discovery and monitoring.

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

Key features: 5 listed. See them on the [Cylana EASM page](https://cybersectools.com/tools/cylana-easm#features).

[Cylana EASM alternatives](https://cybersectools.com/alternatives/cylana-easm) · [Assetnote ASM vs Cylana EASM](https://cybersectools.com/compare/assetnote-asm-vs-cylana-easm)

### 7. [TRaViS](https://cybersectools.com/tools/travis)

AI-enhanced EASM platform for external attack surface discovery and monitoring.

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

Key features: 10 listed. See them on the [TRaViS page](https://cybersectools.com/tools/travis#features).

[TRaViS alternatives](https://cybersectools.com/alternatives/travis) · [Assetnote ASM vs TRaViS](https://cybersectools.com/compare/assetnote-asm-vs-travis)

### 8. [SurfaceDiff](https://cybersectools.com/tools/surfacediff)

Continuous external attack surface monitoring that shows what changed between scans.

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

Key features: 9 listed. See them on the [SurfaceDiff page](https://cybersectools.com/tools/surfacediff#features).

[SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff) · [Assetnote ASM vs SurfaceDiff](https://cybersectools.com/compare/assetnote-asm-vs-surfacediff)

## The closest 48 products like Assetnote ASM

The 8 above, plus:

- [Attack Surface Scan](https://cybersectools.com/tools/attack-surface-scan): Agentless external attack surface monitoring with continuous change detection. (Commercial)
- [MGM Security Partners recon me](https://cybersectools.com/tools/mgm-security-partners-recon-me) (Commercial)
- [v6Protect Trusted Third Party Security Service](https://cybersectools.com/tools/v6protect-trusted-third-party-security-service): Independent security scoring and attestation for third-party managed web apps (Commercial)
- [Outpost24 External Attack Surface Management](https://cybersectools.com/tools/outpost24-external-attack-surface-management): Cloud platform for continuous visibility & mgmt of external attack surfaces (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)
- [Halo Security Attack Surface Management](https://cybersectools.com/tools/halo-security-attack-surface-management): External attack surface mgmt platform for discovering & monitoring assets (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)
- [QuimeraX External Attack Surface Management](https://cybersectools.com/tools/quimerax-external-attack-surface-management): EASM platform for continuous monitoring of internet-exposed assets & vulnerabilities (Commercial)
- [RiskXchange Attack Surface Management](https://cybersectools.com/tools/riskxchange-attack-surface-management): Attack surface management platform for monitoring vulnerabilities and breaches (Commercial)
- [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. (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)
- [NetSPI External Attack Surface Management (EASM)](https://cybersectools.com/tools/netspi-external-attack-surface-management-easm): Continuous discovery, monitoring, and testing of external assets and exposures (Commercial)
- [Orpheus External Attack Surface Management](https://cybersectools.com/tools/orpheus-external-attack-surface-management): EASM platform with continuous asset discovery and threat intelligence context (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)
- [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)
- [Ivanti Neurons for EASM](https://cybersectools.com/tools/ivanti-neurons-for-easm): Cloud-based EASM platform for discovering internet-facing assets & exposures (Commercial)
- [Strobes Attack Surface Management](https://cybersectools.com/tools/strobes-attack-surface-management): Platform for continuous attack surface discovery, monitoring, and remediation (Commercial)
- [Check Point Attack Surface Management](https://cybersectools.com/tools/check-point-attack-surface-management): Continuously maps digital footprint, identifies exposures & validates exploitability (Commercial)
- [CyCraft XCockpit EASM](https://cybersectools.com/tools/cycraft-xcockpit-easm): External attack surface management platform with AI-powered risk assessment (Commercial)
- [Edgescan Attack Surface Management (ASM)](https://cybersectools.com/tools/edgescan-attack-surface-management-asm): External attack surface management platform for asset discovery and monitoring (Commercial)
- [SecurityScorecard External Attack Surface Management](https://cybersectools.com/tools/securityscorecard-external-attack-surface-management): Monitors external attack surface to identify assets and vulnerabilities (Commercial)
- [UpGuard Breach Risk](https://cybersectools.com/tools/upguard-breach-risk): External attack surface monitoring with threat intel and brand protection (Commercial)
- [Group-IB Attack Surface Management](https://cybersectools.com/tools/group-ib-attack-surface-management): External attack surface management platform with threat intelligence (Commercial)

## Alternatives to each of these

[ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) · [Criminal IP Security Scanning Service alternatives](https://cybersectools.com/alternatives/criminal-ip-security-scanning-service) · [Attaxion alternatives](https://cybersectools.com/alternatives/attaxion) · [DarkInvader EASM Platform alternatives](https://cybersectools.com/alternatives/darkinvader-easm-platform) · [DDactic Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/ddactic-attack-surface-discovery) · [Cylana EASM alternatives](https://cybersectools.com/alternatives/cylana-easm) · [TRaViS alternatives](https://cybersectools.com/alternatives/travis) · [SurfaceDiff alternatives](https://cybersectools.com/alternatives/surfacediff) · [Attack Surface Scan alternatives](https://cybersectools.com/alternatives/attack-surface-scan) · [MGM Security Partners recon me alternatives](https://cybersectools.com/alternatives/mgm-security-partners-recon-me) · [v6Protect Trusted Third Party Security Service alternatives](https://cybersectools.com/alternatives/v6protect-trusted-third-party-security-service) · [Outpost24 External Attack Surface Management alternatives](https://cybersectools.com/alternatives/outpost24-external-attack-surface-management)

## Other Assetnote products

[Assetnote Exposure Engine alternatives](https://cybersectools.com/alternatives/assetnote-exposure-engine)

## Compare Assetnote ASM with

- [Assetnote ASM vs ctlogs.dev](https://cybersectools.com/compare/assetnote-asm-vs-ctlogsdev)
- [Assetnote ASM vs Criminal IP Security Scanning Service](https://cybersectools.com/compare/assetnote-asm-vs-criminal-ip-security-scanning-service)
- [Assetnote ASM vs Attaxion](https://cybersectools.com/compare/assetnote-asm-vs-attaxion)
- [Assetnote ASM vs DarkInvader EASM Platform](https://cybersectools.com/compare/assetnote-asm-vs-darkinvader-easm-platform)
- [Assetnote ASM vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/assetnote-asm-vs-ddactic-attack-surface-discovery)
- [Assetnote ASM vs Cylana EASM](https://cybersectools.com/compare/assetnote-asm-vs-cylana-easm)
- [Assetnote ASM vs TRaViS](https://cybersectools.com/compare/assetnote-asm-vs-travis)
- [Assetnote ASM vs SurfaceDiff](https://cybersectools.com/compare/assetnote-asm-vs-surfacediff)

## Assetnote ASM Alternatives FAQ

### What are the closest alternatives to Assetnote ASM?

The closest matches to Assetnote ASM by shared tags and NIST CSF 2.0 coverage are ctlogs.dev, Criminal IP Security Scanning Service, Attaxion, DarkInvader EASM Platform, and DDactic Attack Surface Discovery. All of them are External Attack Surface Management products.

### How many alternatives to Assetnote ASM are available?

This page shows 48 alternatives to Assetnote ASM, 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 Assetnote ASM free or commercial?

Assetnote ASM 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 Assetnote ASM?

Assetnote ASM 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/assetnote-asm

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 Assetnote ASM 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
