This is a must-read for anyone who touches identity
I can't say this phrase enough: Identity is Everything. This book is a masterclass in exactly why. It runs 586 pages across 18 chapters, with a foreword by Merill Fernando, Principal Product Manager at Microsoft, and it covers the whole Entra product surface from fundamentals through to migration and careers.
My favorite line is in Chapter 16, under the heading "Identity as the New Security Perimeter":
That idea runs through the whole book. I'm giving it 10/10 and I'd recommend it without hesitation.
The network guy was right about DNS, and identity still won
It's like the old days when something broke and everyone blamed the network guy. He'd say "it's DNS," you'd look at each other thinking, it's DNS, and he'd already be pointing at the application team. I still blame the network guy. I digress.
The perimeter has shifted. Identity is now reachable from anywhere, including Starbucks. The book follows that shift in order. Chapter 1 sets the standards: OAuth 2.0, SAML, OpenID Connect and JSON Web Tokens. The legacy side shows up where it still lives. Chapter 4 on Entra Domain Services covers the managed domain's LDAP and Kerberos/NTLM support, and Chapter 15 on Private Access covers getting at on-premises apps that still depend on them.
Microsoft's own Zero Trust guidance makes the same point: modern attacks rely on identity compromise, phishing and session hijacking, and do not depend on network location. From there, identity becomes the foundation under everything else: Conditional Access as the Zero Trust policy engine, governance of groups and guests, and control over what can be reached and when.
Every skill level gets something, and the license column matters
Whether you are new to identity or an industry expert nodding along with "yep, that's right," the chapter order works. The table below groups the chapters by area and adds the license each area depends on, checked against Microsoft Learn rather than the book, because licensing is the part that changes first.
| Chapters | Area | License per Microsoft Learn |
|---|---|---|
| 1 to 3 | Entra fundamentals, authentication methods, Conditional Access, hybrid identity | Conditional Access needs Entra ID P1. Risk-based policies need ID Protection (P2). |
| 4 | Entra Domain Services | Not checked for this review |
| 5 | Security Copilot in Entra | Provisioned capacity, per the book's Chapter 5 prerequisites |
| 6 and 7 | Entitlement Management, Access Packages, Lifecycle Workflows | Entra ID Governance or Entra Suite |
| 8 and 9 | Privileged Identity Management, ID Protection | Entra ID P2 (also in Governance and Suite) |
| 10 to 13 | Verified ID, Workload ID, External Identities in workforce and external tenants | Workload ID Premium for Conditional Access, ID Protection and access reviews on workload identities. Others not checked. |
| 14 and 15 | Internet Access and Private Access (Global Secure Access) | Not checked for this review |
| 16 to 18 | Health and monitoring, migration, careers | Backup and Recovery needs P1 or P2. Others not checked. |
Microsoft Learn says Entitlement Management, Access Reviews and Lifecycle Workflows require an Entra ID Governance subscription, with only some capabilities working on P2. The chapters are worth reading before you buy anything, but P2 alone does not unlock all of them.
The Workload ID chapter covers the gap that user-focused Conditional Access leaves open
This was my personal favorite. Chapter 11 starts with the application object and the service principal, moves through managed identities and workload identity federation, then lands on Conditional Access and continuous access evaluation for workload identities. The book is plain about why: Conditional Access historically applied only to user accounts, and the surge in attacks on non-human identities forced the extension.
The license that unlocks it is the often-overlooked one. Workload ID Premium is what lets you block a service principal from outside known IP ranges or when ID Protection flags it as risky. Per Learn, one license in the tenant unlocks the premium features for all eligible workload identities, and it is priced at $3 per workload identity per month on the FAQ page. Check that figure before quoting it, since pricing pages age quickly.
| Identity type | Conditional Access for workload identities |
|---|---|
| Single-tenant service principal registered in your tenant | Covered Location and risk conditions, block only |
| Multitenant and third-party SaaS apps | Not covered Out of scope for policy and for CAE |
| Microsoft apps | Not covered Not eligible per the FAQ |
| Managed identities | Not covered Learn points to access reviews instead |
| Service principal inside a group | Not enforced Assign the service principal directly to the policy |
The last two rows are where real tenants trip. Group-based targeting does not reach a service principal, and a policy scoped to a directory role only affects the users in that role.
Backup and Recovery is the section I did not expect, and it has since gone GA
The logging and monitoring chapter reinforces something I write about often: Azure provides the telemetry that makes identity decisions possible. Chapter 16 goes further than logs, though. It covers soft deletion and Microsoft Entra Backup and Recovery, including the difference report that shows what changed before you restore anything.
The book lists the supported objects as users, groups, applications, service principals, Conditional Access policies, named locations, the authentication method policy, the authorization policy and the organization object. Learn's current list matches and adds that Agent ID objects are covered through their underlying user and service principal types. Backups are daily, cannot be turned off, deleted or modified, and sit in the tenant's geo-location. The book notes the feature was in Public Preview at the time of writing, which matches Learn's March 2026 release notes. Learn's June 2026 release notes then list it as generally available, although some Learn pages still carry the preview label in their titles.
The book says backups are retained for up to five days, which matches Learn's March 2026 preview announcement. Learn's June 2026 release notes, overview page and view-backups page now say seven days. The Microsoft Graph beta page still says five, so Learn's own pages disagree with each other. Confirm the figure in your own tenant before putting a number in a client document.
The migration chapter is honest that most organizations live in the middle for years
The book rounds out with a cloud migration guide and practical thought leadership on the stages of adoption. Chapter 17 names five states, and the most useful detail is the book's own observation that most organizations spend years in the middle one.
Chapter 18 then turns to careers and closes on three trends: the explosion of non-human identities, identity meeting AI governance, and decentralized identity with verifiable credentials. Chapter 11 is where that first trend gets its tooling.
Treat it as SC-300 prep, and do the exercises
It reads like ideal SC-300 prep to me, and that is my opinion, not a claim from the book. What the book does provide is structure for it: Chapters 1 to 17 each end with a Summary, Exercises and Answers, and the walkthroughs are step by step with portal screenshots. I hold SC-300, and the chapters on Lifecycle Workflows, Access Packages, PIM and ID Protection map to the areas where candidates usually need hands-on time.
Microsoft Learn states that the English version of the SC-300 certification will be updated on October 28, 2026. Read the current study guide linked from the certification page before you map this book to the exam objectives.
New to identity
Start at Chapter 1 and do the exercises. The standards chapter makes every later token and sign-in log easier to read.
Already deep in Entra
Go straight to Chapters 5, 11, 14 and 16. Security Copilot, workload identities, Global Secure Access and Backup and Recovery are where the product is moving.
Thank you to Pramiti Bhatnagar and Packt
A huge thank you to Pramiti Bhatnagar and the team at Packt for reaching out and providing an advance copy to review. Genuinely appreciated.
I reviewed the Early Review Copy, and the finished book has been out since. Entra moves fast enough that any book drifts from the portal, and the Backup and Recovery retention figure is a small example: five days when the book was written, seven now. Use the book for the why and the architecture, and keep Microsoft Learn open for the numbers.