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How to Use Microsoft Entra External ID for Security Operations

How to Use Microsoft Entra External ID for Security Operations

Written By Anoop C Nair
Last Updated June 24, 2025
Posted In Entra
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Let’s discuss How to Use How to Use Microsoft Entra External ID for Security Operations. Microsoft introduced Entra External ID (EEID) to manage external identities. It is a part of the Customer Identity and Access Management (CIAM) solution. It is generally available from May 15, 2024.

As we know, there are many threats and attacks faced by users in your organisation. Most of us are using Microsoft Edge, and many attacks are faced. This new platform helps you to mitigate edge-based attacks such as bot abuse, credential stuffing, and account takeovers.

This platform helps organisations to secure their organisation with a Customizable sign-in experience, native authentication, and advanced fraud protection with Microsoft Entra. And Entra External IDs is a rebrand of Azure AD B2C.

Entra External ID provide defence strategies to avoid commonly exploited Edge-based attacks. In this blog post I would like to help you to know more about how to use Microsoft Entra External ID (EEID) for Security Operations. With this blog post you can efficiently deploy Microsoft Entra External ID.

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How to Use Microsoft Entra External ID for Security Operations - Fig.1 - Creds to MS
How to Use Microsoft Entra External ID for Security Operations – Fig.1 – Creds to MS

How to Use Microsoft Entra External ID for Security Operations

Entra External Id deployment helps safeguard the sign-up and sign-in journeys from automated fraud, including credential stuffing and International Revenue Share Fraud (IRSF). It provides essential actions such as monitoring and alerting, continuous validation, usage tracking, and anomaly detection for early threat detection and response.

How to Use Microsoft Entra External ID for Security Operations - Fig.2 - Creds to MS
How to Use Microsoft Entra External ID for Security Operations – Fig.2 – Creds to MS

Features of Microsoft Entra External ID

Microsoft Entra External ID provide many features for you. It gives a customizable identity experience for your external identities, like customers, partners, and citizens. The following table shows the features.

Features
Protection against DDoS and bot attacks
Layered defense model
WAF capabilities
Bot Defense
Credential Hygiene
Token Management
Geography-based access control
How to Use Microsoft Entra External ID for Security Operations – Table.1

Tenant Protection from DDoS and Bot Attacks

EEI helps to protect your tenant by providing a layered edge protection strategy. It includes sign-in and sign-up pages, which are exposed publicly and vulnerable to DDoS attacks and malicious bot activity.

  • Anonymous End Points – Example (ciamlogin.com) are especially exposed to volumetric attacks and fraud, like credential stuffing.
  • EEI Integration with Third Party WAF and Bot Mitigation – EEI integrate with third-party WAF and Bot mitigation and filters out bad traffic before it hits the authentication layer.
How to Use Microsoft Entra External ID for Security Operations - Fig.3 - Creds to MS
How to Use Microsoft Entra External ID for Security Operations – Fig.3 – Creds to MS

Web Application Firewall (WAF) Integration

Web Application Firewall (WAF) Integration helps to avoid exposing public endpoints for sign-up and sign-in in Microsoft Entra External ID. The Primary targets are DDoS attacks, Credential stuffing and Bot-driven fraud. The following table shows the security controls and their descriptions in WAF.

Security ControlDetails
Rate limiting and adaptive throttlingIt acts against volumetric and low-and-slow attacks.
DDoS protectionThis control ensures built-in defence against Network-layer (Layer 3) and Application-layer (Layer 7) DDoS attacks.
Bot protectionIt helps to help detect and prevent automated attacks using a range of enforcement options, from silent blocking to interactive challenges such as CAPTCHA or reCAPTCHA.
Geography (Geo)-fencingRestricts traffic from high-risk or irrelevant regions.
How to Use Microsoft Entra External ID for Security Operations – Table.2

Need Further Assistance or Have Technical Questions?

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Resource

Microsoft Entra External ID deployment guide for security operations

Author

Anoop C Nair has been Microsoft MVP for 10 consecutive years from 2015 onwards. He is a Workplace Solution Architect with more than 22+ years of experience in Workplace technologies. He is a Blogger, Speaker, and Local User Group Community leader. His primary focus is on Device Management technologies like SCCM and Intune. He writes about technologies like Intune, SCCM,  Windows, Cloud PC, Windows, Entra, Microsoft Security, Career, etc.

Written by

Anoop C Nair is Workplace Technology solution architect with 25+ years of experience in global enterprise organizations such as JP Morgan, Capgemini, etc. Microsoft Certified Trainer. Microsoft MVP from 2015 onwards for consecutive 11+ years! He also conducts Intune and modern workplace tech training for enterprise organizations. He is Blogger, Speaker, and Founder of HTMD Community and HTMD Conference. His main focus is on Device Management technologies like Intune, Windows, Cloud PC. He writes about technologies like Intune, SCCM, Windows, Cloud PC, Windows, Entra, Microsoft Security.

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