---
description: Side-by-side comparison of Nessus vs Microsoft Defender External Attack Surface Management. Learn about each of the product's price, benefits and disadvantages. Choose the best software for your business in Singapore.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Nessus vs Microsoft Defender External Attack Surface Management Comparison - Capterra Singapore 2026
---

Breadcrumb: [Home](/) > [Vulnerability Management Software](/directory/31062/vulnerability-management/software) > [Nessus \<span\>vs\</span\> Microsoft Defender External Attack Surface Management](https://www.capterra.com.sg/compare/130577/1035281/nessus/vs/microsoft-defender-external-attack-surface-management)

# Compare Nessus vs Microsoft Defender External Attack Surface Management

Canonical: https://www.capterra.com.sg/compare/130577/1035281/nessus/vs/microsoft-defender-external-attack-surface-management

> Detailed comparison between Nessus and Microsoft Defender External Attack Surface Management. Check ratings, reviews, pricing, and features to make the best decision for your business.

-----

## At a Glance

| Metric | Nessus | Microsoft Defender External Attack Surface Management |
| **Overall rating** | 4.7/5 | - |
| **Total Reviews** | 93 | 0 |
| **Starting Price** | US$4,000.20 | - |
| **Free Trial** | Yes | - |
| **Free Version** | Yes | - |
| **Deployment** | Mac (Desktop), Windows (Desktop), Linux (Desktop), Windows (On-Premise), Linux (On-Premise) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat | - |
| **Training** | Live Online, Webinars, Documentation, Videos | - |

## Best for

### Nessus

Nessus Pro, the industry leader in vulnerability assessment, helps you quickly and easily identify and fix vulnerabilities.

### Microsoft Defender External Attack Surface Management

\-

## Key features

### Nessus

- API
- Application Security
- Assessment Management
- Audit Management
- Audit Trail
- Monitoring
- Network Scanning
- Network Security Software
- Policy Management
- Real-Time Analytics
- Real-Time Data
- Real-Time Reporting
- Reporting & Statistics
- Reporting/Analytics
- Risk Analysis
- Threat Protection
- Vulnerability Protection
- Vulnerability/Threat Prioritization
- Web-Application Security
- Website Crawling

### Microsoft Defender External Attack Surface Management

## Links

- [View Nessus Profile](https://www.capterra.com.sg/software/130577/nessus)
- [View Microsoft Defender External Attack Surface Management Profile](https://www.capterra.com.sg/software/1035281/microsoft-defender-external-attack-surface-management)
- [View Original Comparison](https://www.capterra.com.sg/compare/130577/1035281/nessus/vs/microsoft-defender-external-attack-surface-management)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"Nessus vs Microsoft Defender External Attack Surface Management Comparison - Capterra Singapore 2026","description":"Side-by-side comparison of Nessus vs Microsoft Defender External Attack Surface Management. Learn about each of the product's price, benefits and disadvantages. Choose the best software for your business in Singapore.","url":"https://www.capterra.com.sg/compare/130577/1035281/nessus/vs/microsoft-defender-external-attack-surface-management","about":[{"@id":"https://www.capterra.com.sg/software/130577/nessus#software"},{"@id":"https://www.capterra.com.sg/software/1035281/microsoft-defender-external-attack-surface-management#software"}],"breadcrumb":{"@id":"https://www.capterra.com.sg/compare/130577/1035281/nessus/vs/microsoft-defender-external-attack-surface-management#breadcrumblist"},"@type":["WebPage","CollectionPage"],"@id":"https://www.capterra.com.sg/compare/130577/1035281/nessus/vs/microsoft-defender-external-attack-surface-management#webpage","publisher":{"@id":"https://www.capterra.com.sg/#organization"},"inLanguage":"en-SG","isPartOf":{"@id":"https://www.capterra.com.sg/#website"}},{"name":"Nessus","description":"Built for security practitioners, by security professionals, Nessus Professional is the de-facto industry standard for vulnerability assessment. Nessus performs point-in-time assessments to help security professionals quickly identify and fix vulnerabilities, including software flaws, missing patches, malware, and misconfigurations. With features such as pre-built policies and templates, group snooze functionality, and real-time updates, it makes vulnerability assessment easy and intuitive.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/c267b640-17d3-4246-8e3c-07136ce0acbc.png","url":"https://www.capterra.com.sg/software/130577/nessus","@type":"SoftwareApplication","@id":"https://www.capterra.com.sg/software/130577/nessus#software","applicationCategory":"BusinessApplication","publisher":{"@id":"https://www.capterra.com.sg/#organization"},"aggregateRating":{"@type":"AggregateRating","bestRating":5,"ratingCount":93,"ratingValue":4.7},"offers":{"price":"4000.2","@type":"Offer","priceCurrency":"USD"},"operatingSystem":"Apple, Windows, Linux, Windows on premise, Linux on premise"},{"name":"Microsoft Defender External Attack Surface Management","description":"Microsoft Defender External Attack Surface Management, a Microsoft Security solution, allows organizations to discover and monitor all external-facing resources across multiple cloud environments, and uncover vulnerabilities throughout the attack surface.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/d1675af0-5f52-4999-9760-8c26547c8226.png","url":"https://www.capterra.com.sg/software/1035281/microsoft-defender-external-attack-surface-management","@type":"SoftwareApplication","@id":"https://www.capterra.com.sg/software/1035281/microsoft-defender-external-attack-surface-management#software","applicationCategory":"BusinessApplication","publisher":{"@id":"https://www.capterra.com.sg/#organization"},"operatingSystem":"Cloud"},{"@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Vulnerability Management Software","position":2,"item":"/directory/31062/vulnerability-management/software","@type":"ListItem"},{"name":"Nessus vs Microsoft Defender External Attack Surface Management","position":3,"item":"https://www.capterra.com.sg/compare/130577/1035281/nessus/vs/microsoft-defender-external-attack-surface-management","@type":"ListItem"}],"@id":"https://www.capterra.com.sg/compare/130577/1035281/nessus/vs/microsoft-defender-external-attack-surface-management#breadcrumblist"}]}
</script>