Compare products

Put two or three cybersecurity products side by side and see how they differ on deployment, pricing, features, integrations and compliance.

Tenable Attack Surface ManagementMicrosoft Defender External Attack Surface Management2 of 3 products

Side-by-side comparison of Tenable Attack Surface Management, Microsoft Defender External Attack Surface Management
Product	Tenable Attack Surface Management by Tenable View product	Microsoft Defender External Attack Surface Management by Microsoft View product
Overview
What it is	Tenable Attack Surface Management: open port alerts and Tenable One sync. Built for shadow IT elimination. Compare Attack Surface Management alternatives.	Microsoft Defender External Attack Surface Management: asset discovery. Built for external asset discovery. Compare Attack Surface Management alternatives.
Product type	Continuous Attack Surface Management & Threat Exposure	External Attack Surface Management
Best for	Enterprise IT, Financial Services, Healthcare, Public Sector, Retail, Higher Education, Government	Cross-industry
Pricing
Pricing model	Contact Vendor	Contact Vendor
Free trial	Free trial: yes	Free trial: no
Deployment
Deployment options	SaaSCloud	Cloud
Deployment details	Cloud SaaS / Agentless Architecture; Cloud SaaS; Fully Managed Internet Sensor Fabric	Cloud; Cloud
Data residency	Global multi-region cloud hosting	Tenant/service region dependent
Key features
What it offers	Outside-in attack surface mapping Shadow IT detection Open port alerts Certificate expiration monitoring Automated asset risk scoring Tenable One sync Shadow IT elimination External attack surface mapping	Asset discovery Attack surface mapping Exposure monitoring Shadow IT discovery Risk prioritization External asset discovery Attack surface monitoring Exposure management
Platform & access
API access	API access: yes	API access: yes
Single sign-on (SSO)	SSO: yes	SSO: yes
Role-based access (RBAC)	RBAC: yes	RBAC: yes
Multi-tenant	Multi-tenant: yes	Multi-tenant: yes
Mobile app	Mobile app: no	Mobile app: no
Supported platforms	Internet DomainsExternal IPsCloud WorkloadsDNS Records	Internet-facing assets
Compliance	SOC 2 Type IIISO 27001HIPAAPCI-DSSNIST SP 800-53	Microsoft security/compliance portfolio
Integrations & coverage
Integrations	Tenable OneTenable Vulnerability ManagementServiceNowJiraSplunk	Microsoft Defender portalMicrosoft Security Exposure ManagementMicrosoft Sentinel
Industries	Enterprise ITFinancial ServicesHealthcarePublic SectorRetailHigher Education+1 more	Cross-industry
Regions	Global internet discovery coverage	GlobalAvailability varies
Vendor
Company	Tenable	Microsoft
Headquarters	Columbia, Maryland, USA	Redmond, Washington, USA
Company size	1,500+	200,000+
Founded	2002	1975

Tenable Attack Surface Management

by Tenable

View product

Microsoft Defender External Attack Surface Management

by Microsoft

View product

Overview

What it is

Tenable Attack Surface Management

Tenable Attack Surface Management: open port alerts and Tenable One sync. Built for shadow IT elimination. Compare Attack Surface Management alternatives.

Microsoft Defender External Attack Surface Management

Microsoft Defender External Attack Surface Management: asset discovery. Built for external asset discovery. Compare Attack Surface Management alternatives.

Product type

Tenable Attack Surface Management

Continuous Attack Surface Management & Threat Exposure

Microsoft Defender External Attack Surface Management

External Attack Surface Management

Best for

Tenable Attack Surface Management

Enterprise IT, Financial Services, Healthcare, Public Sector, Retail, Higher Education, Government

Microsoft Defender External Attack Surface Management

Cross-industry

Pricing

Pricing model

Tenable Attack Surface Management

Contact Vendor

Microsoft Defender External Attack Surface Management

Contact Vendor

Free trial

Tenable Attack Surface Management

Microsoft Defender External Attack Surface Management

Deployment

Deployment options

Tenable Attack Surface Management

SaaSCloud

Microsoft Defender External Attack Surface Management

Cloud

Deployment details

Tenable Attack Surface Management

Cloud SaaS / Agentless Architecture; Cloud SaaS; Fully Managed Internet Sensor Fabric

Microsoft Defender External Attack Surface Management

Cloud; Cloud

Data residency

Tenable Attack Surface Management

Global multi-region cloud hosting

Microsoft Defender External Attack Surface Management

Tenant/service region dependent

Key features

What it offers

Tenable Attack Surface Management

Outside-in attack surface mapping
Shadow IT detection
Open port alerts
Certificate expiration monitoring
Automated asset risk scoring
Tenable One sync
Shadow IT elimination
External attack surface mapping

Microsoft Defender External Attack Surface Management

Asset discovery
Attack surface mapping
Exposure monitoring
Shadow IT discovery
Risk prioritization
External asset discovery
Attack surface monitoring
Exposure management

Platform & access

API access

Tenable Attack Surface Management

Microsoft Defender External Attack Surface Management

Single sign-on (SSO)

Tenable Attack Surface Management

Microsoft Defender External Attack Surface Management

Role-based access (RBAC)

Tenable Attack Surface Management

Microsoft Defender External Attack Surface Management

Multi-tenant

Tenable Attack Surface Management

Microsoft Defender External Attack Surface Management

Mobile app

Tenable Attack Surface Management

Microsoft Defender External Attack Surface Management

Supported platforms

Tenable Attack Surface Management

Internet DomainsExternal IPsCloud WorkloadsDNS Records

Microsoft Defender External Attack Surface Management

Internet-facing assets

Compliance

Tenable Attack Surface Management

SOC 2 Type IIISO 27001HIPAAPCI-DSSNIST SP 800-53

Microsoft Defender External Attack Surface Management

Microsoft security/compliance portfolio

Integrations & coverage

Integrations

Tenable Attack Surface Management

Tenable OneTenable Vulnerability ManagementServiceNowJiraSplunk

Microsoft Defender External Attack Surface Management

Microsoft Defender portalMicrosoft Security Exposure ManagementMicrosoft Sentinel

Industries

Tenable Attack Surface Management

Enterprise ITFinancial ServicesHealthcarePublic SectorRetailHigher Education+1 more

Microsoft Defender External Attack Surface Management

Cross-industry

Regions

Tenable Attack Surface Management

Global internet discovery coverage

Microsoft Defender External Attack Surface Management

GlobalAvailability varies

Vendor

Company

Tenable Attack Surface Management

Tenable

Microsoft Defender External Attack Surface Management

Microsoft

Headquarters

Tenable Attack Surface Management

Columbia, Maryland, USA

Microsoft Defender External Attack Surface Management

Redmond, Washington, USA

Company size

Tenable Attack Surface Management

1,500+

Microsoft Defender External Attack Surface Management

200,000+

Founded

Tenable Attack Surface Management

2002

Microsoft Defender External Attack Surface Management

1975