Microsoft Defender External Attack Surface Management Pricing Overview

Microsoft Defender External Attack Surface Management Pricing Key Insights

Last updated on Apr 09, 2026


Information about Microsoft Defender External Attack Surface Management pricing, plan availability, and costs is not listed on G2 by the vendor. Buyers typically need to engage directly with the vendor to understand pricing options. Final cost negotiations to purchase Microsoft Defender External Attack Surface Management must be conducted with the seller.


Rated 4.3 / 5

*Pricing information is supplied by the software provider or retrieved from publicly accessible pricing materials. Final cost negotiations must be conducted with the seller.

Microsoft Defender External Attack Surface Management Alternatives Pricing

The following is a quick overview of editions offered by other Attack Surface Management Software

Product Price Features
Tenable Nessus
Pro - 1 Year
$3,390.001 License With One-Time Purchase
1-year license of the industry-leading vulnerability assessment solution.
  • Automate your vulnerability scanning process
Aikido Security
Free (forever)
Free
For developers and curious minds
  • Up to 2 users, 10 repos, 2 container images, 1 domain, 1 cloud account, 2 AI AutoFixes/mo & 250k protected requests/mo
  • Dependency Scanning (SCA)
  • SAST & AI SAST
  • Secrets Detection
  • Cloud
Intruder
Free
FreePer Month
For companies getting started with security
  • Weekly external vulnerability scans
  • Weekly cloud security checks for 1 connected account
  • Weekly container image scans for 2 images
  • Monitoring on ports 80 and 443
  • 1 AI investigation credit

Various alternatives pricing & plans

Pricing information for the above various Microsoft Defender External Attack Surface Management alternatives is supplied by the respective software provider or retrieved from publicly accessible pricing materials. Final cost negotiations to purchase any of these products must be conducted with the seller.
Microsoft Defender External Attack Surface Management Comparisons