Global Tool Radar

Evidence-led software shortlist

Best Attack Surface Management (ASM) Software

Compare 8 products that meet the research threshold. Ranking uses category-specific buying scores and keeps fit conditions, limitations, and evidence confidence visible.

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Attack Surface Management (ASM) Software

Filter by fit first, then compare cost, capability depth, and buying constraints. Rank is a starting point, not the decision.

#1

NetSPI Attack Surface Management

NetSPI Attack Surface Management is a current enterprise attack-surface solution combining External Attack Surface Management and Cyber Asset Attack Surface Management on the NetSPI Platform for external discovery and testing, internal asset intelligence, human validation, contextual risk prioritization, remediation workflows, and security-stack integrations.

83Category score
Pricing
  • Custom quote required for some paid plans
Best for
  • Enterprise
  • Mid-market
Strong fit for
  • Mid-market and enterprise teams that need combined external and internal attack-surface visibility
  • Organizations with complex domain, subsidiary, cloud, identity, application, device, and security-tool estates
Check before buying
  • Buyers requiring public numeric pricing, self-service checkout, monthly purchase, or a permanent free plan
  • Small teams seeking a lightweight unmanaged external scanner with minimal implementation and operating overhead
#2

BitSight External Attack Surface Management

BitSight External Attack Surface Management is an agentless enterprise product for internet-asset discovery and attribution, external vulnerability and configuration visibility, risk prioritization, remediation tracking, integrations, and executive reporting.

81Category score
Pricing
  • Custom quote required for some paid plans
Best for
  • Enterprise
  • Mid-market
Strong fit for
  • Large and regulated enterprises with complex external infrastructure and subsidiaries
  • Security and risk teams that need curated attribution and evidence-backed ownership decisions
Check before buying
  • Small teams requiring transparent self-service pricing and a lightweight scanner
  • Buyers requiring internal-network, endpoint, SIEM, EDR, or patch-deployment functionality
#3

UpGuard Breach Risk

UpGuard Breach Risk, formerly called BreachSight, is an agentless SaaS product for first-party external asset discovery, daily domain and IP monitoring, vulnerability and configuration findings, security ratings, remediation workflows, and plan-dependent threat intelligence and integrations.

81Category score
Pricing
  • Paid · Self-service · 250 · per subscription · per month · Breach Risk Self-service, 0 to 99 employees, monthly · billed monthly · month-to-month · minimum 1 subscription · Organization has 0 to 99 employees and purchases the current Breach Risk Self-service monthly state
  • Paid · Self-service · 500 · per subscription · per month · Breach Risk Self-service, 100 to 999 employees, monthly · billed monthly · month-to-month · minimum 1 subscription · Organization has 100 to 999 employees and purchases the current Breach Risk Self-service monthly state
  • Custom quote required for some paid plans
Best for
  • Mid-market
  • Enterprise
  • Small business
Strong fit for
  • Small through enterprise teams that need continuously refreshed first-party external asset visibility
  • Organizations that want security ratings, external vulnerability findings, and remediation workflows in one product
Check before buying
  • Teams buying internal authenticated vulnerability scanning, endpoint protection, or patch deployment
  • Buyers requiring exploit-based multi-hop attack-path validation or continuous adversary emulation
#4

Palo Alto Networks Cortex Xpanse

Cortex Xpanse is a cloud-based external attack surface management platform whose Expander application continuously discovers and attributes internet-facing assets, monitors exposures, scores risk, and supports investigation and remediation workflows.

81Category score
Pricing
  • Custom quote required for some paid plans
Best for
  • Enterprise
Strong fit for
  • Enterprise security teams with broad or rapidly changing internet-facing estates
  • Organizations seeking continuous external asset discovery and ownership attribution
Check before buying
  • Teams seeking an internally deployed or agent-based internal-network monitoring product
  • Buyers who require automated remediation or benign exploit validation as a confirmed base Expander entitlement
#5

CrowdStrike Falcon Surface

CrowdStrike Falcon Surface is a cloud-delivered external attack surface management module that continuously maps internet-facing assets, attributes them to organizations and subsidiaries, prioritizes exposures with adversary and business context, and sends findings into remediation workflows.

80Category score
Pricing
  • Custom quote required for some paid plans
Best for
  • Enterprise
  • Mid-market
Strong fit for
  • Mid-market and enterprise teams with large, changing public internet footprints
  • Organizations needing visibility across subsidiaries, cloud estates, partners, and third parties
Check before buying
  • Small buyers requiring public exact-product pricing or a short exact-product trial
  • Teams primarily seeking internal vulnerability management, EDR, SIEM, CNAPP, or identity protection
#6

Microsoft Defender External Attack Surface Management

Microsoft Defender External Attack Surface Management is an Azure-hosted EASM product that recursively discovers internet-facing assets, maintains current and historical inventory, and surfaces vulnerability, compliance, certificate, port, and reputation observations.

75Category score
Pricing
  • Some paid plan amounts are unverified — check official pricing
Best for
  • Enterprise
  • Mid-market
Strong fit for
  • Enterprise and mid-market teams managing broad internet-facing estates
  • Organizations already using Azure data, analytics, and posture services
Check before buying
  • Buyers requiring a current public binding numeric unit price
  • MSSP-style administrators requiring Azure Lighthouse cross-tenant access
#7

Rapid7 Surface Command

Rapid7 Surface Command is a cloud attack-surface platform that combines seed-driven external discovery with connector-based internal asset and identity data, correlation, an asset graph, exposure prioritization, remediation workflows, and automation.

75Category score
Pricing
  • Custom quote required for some paid plans
Best for
  • Enterprise
  • Mid-market
Strong fit for
  • Mid-market and enterprise teams consolidating external and internal asset intelligence
  • Organizations with heterogeneous endpoint, identity, cloud, CMDB, vulnerability, and network tools
Check before buying
  • Small teams seeking a simple outside-in scanner with transparent self-service pricing
  • Buyers requiring autonomous zero-input subsidiary discovery
#8

SecurityScorecard Attack Surface Intelligence

SecurityScorecard Attack Surface Intelligence is a SaaS search interface and API for querying SecurityScorecard's underlying threat-data lake across exposed IPs and ports, confirmed CVEs, attributed domains, cloud hosting, malware, leaked records, ransomware, malicious reputation, and threat actors.

69Category score
Pricing
  • Free plan available — see plan limits
Best for
  • Enterprise
  • Mid-market
Strong fit for
  • Threat hunters investigating exposed infrastructure and adversary associations
  • Vulnerability analysts correlating confirmed CVEs with exploit and threat context
Check before buying
  • Teams expecting a turnkey first-party asset inventory with owner assignment and lifecycle governance
  • Buyers requiring multi-hop attack paths, exploit validation, patch deployment, or internal authenticated scanning

How this list is produced

How this list is produced

A product is included only when it is published, has a complete fact package, supported fit and non-fit conclusions, stored dimension rationales, and no blocking commercial conflict.

  1. Confirm that every product belongs to the same purchasable software category.
  2. Use official evidence for pricing, capabilities, limits, and commercial scope.
  3. Rank with the stored category dimensions and buyer-facing rationales.
  4. Keep unknowns and purchase checks visible; model output is not evidence by itself.

Frequently asked questions

Frequently asked questions

Is the highest-scoring product right for every buyer?

No. Scores use a shared Attack Surface Management (ASM) Software framework, while the right choice still depends on team size, budget, ecosystem, security requirements, and required capabilities.

Does this list change when products change?

Pages change when newly verified research is published. Check each product’s evidence date; prices are not live.

Are these scores user ratings?

No. They are editorial buying scores built from structured facts and category dimensions. Third-party user ratings are shown separately with their sources.

This page compares published products in Attack Surface Management (ASM) Software. Scores are editorial fit assessments for this buying category, not user ratings or a claim that one product is universally superior.

This is public-evidence buying research, not an account-based hands-on test. Interface quality, implementation effort, support response, and negotiated terms still require buyer verification.