Count the logins in your business. Email, file storage, accounting, the line-of-business application, the vendor portals, the shared Wi-Fi password, the old admin account nobody remembers creating. Each one is something to set up when a person joins, protect while they work, and remember to close when they leave.
Microsoft Entra replaces much of that sprawl with one system. If your business uses Microsoft 365, you already have it, whether or not anyone has set it up. Here is why you want it, what it provides, and how it changes your IT management over time.
Why a small business wants Entra
Microsoft Entra ID (formerly Azure Active Directory) is Microsoft’s identity system: the list of your people, how they sign in, and the rules about what they can reach. Every Microsoft 365 subscription runs on it. When someone signs in to Outlook, Teams or a company Windows laptop, Entra is checking who they are.
Think of it as the front desk for your whole business. Everyone checks in at one place, and when someone leaves, you take their badge in one step instead of changing every lock.
For a small business, that matters for three reasons. Many break-ins start with a sign-in, not a broken server. Small teams don’t have time to manage dozens of separate accounts. And the business will grow, change staff and add software, and the way people sign in should keep up without being rebuilt each time.
What it provides
One secure sign-in
Staff use one work account for email, files, Teams and many other business applications that connect to Microsoft sign-in. Fewer passwords means fewer reused passwords and one account to protect well instead of many protected poorly.
Multifactor authentication and passkeys
Multifactor authentication (MFA) adds a second check after the password, such as approving a prompt in the Microsoft Authenticator app. Microsoft’s security defaults page describes a free, preset package that requires every user to register for MFA, requires it for administrators, and blocks older sign-in methods that can’t do MFA at all. Microsoft turns it on for new tenants, but older accounts may still have it switched off.
Entra also supports passkeys, a sign-in method that uses a key stored on your phone or a small hardware key instead of a password. According to Microsoft’s passkey guide, passkeys can live in the Authenticator app on Android 14 and iOS 17 or later. They are designed to resist phishing, because there is no password for a fake page to capture. We roll them out where they suit the people and devices involved.
Rules for who, where and which device
Conditional Access lets you set rules such as:
- Company files open only on laptops we manage.
- Sign-ins from countries where we have no staff are blocked.
- Administrators always need a strong sign-in method, every time.
This is where Entra moves from “strong passwords” to real control, including trusting a device only when it is managed and up to date. It requires Entra ID P1, covered below.
A record of who signed in
Sign-in and audit logs show who signed in, from where, and what changed. When something looks wrong, there is a trail to follow instead of a guess.
How it changes IT management in the long run
The day-one benefit is security. The lasting benefit is that managing people and access becomes routine instead of a scramble.
- Fewer accounts to manage. One identity per person, connected to the applications they use, replaces a scattered list of logins.
- One place to grant and remove access. A role change or a new application is a change in one system, not five.
- Cleaner onboarding. A Temporary Access Pass (a time-limited code an administrator issues) lets a new hire sign in for the first time and set up MFA or a passkey without a password being emailed around.
- Cleaner offboarding. Microsoft’s access-revocation guide describes disabling the account and revoking its sessions, which stops that person getting new access to anything tied to Entra. With device management in place, company data can also be wiped from the phone or laptop they used.
- Fewer password resets. Self-service password reset lets staff recover their own accounts securely, and passkeys remove some passwords altogether.
- Room to grow. The same rules apply to the tenth employee as to the fiftieth, and to the next application you add.
Which plans include which features
Entra comes in tiers. Here is how they map to the Microsoft 365 business plans, based on Microsoft’s business security overview and Entra licensing page, as of October 2026.
| Your plan | Entra tier | What you get |
|---|---|---|
| Email-only plans, Business Basic, Business Standard | Entra ID Free | Single sign-in, security defaults (MFA for everyone), self-service password reset, sign-in and audit logs |
| Business Premium | Entra ID P1 | Everything above, plus Conditional Access, MFA reports, and sign-in rules tied to managed devices |
| Business Premium plus the Microsoft Defender Suite add-on | Entra ID P2 | Everything above, plus risk-based sign-in rules, alerts for risky users, and privileged access controls |
Entra ID P1 is also sold on its own, so a business on Business Standard can add Conditional Access without changing plans. Security defaults and Conditional Access are either/or: moving to Conditional Access means switching security defaults off and replacing them with rules that cover the same ground.
For most small businesses we recommend Business Premium. The sign-in rules, device management and extra email protection it includes address the attacks we actually see.
Getting it right
Entra is powerful, and a misconfigured rule can lock out the whole office. A few practices we follow:
- MFA for everyone, starting with administrators. No exceptions for the boss.
- Two emergency administrator accounts, as Microsoft recommends, stored safely and not used day to day.
- Test rules on a small group before applying them to all staff.
- Separate admin accounts for administration and everyday email.
- Regular account reviews. Former staff, old vendors and test accounts should not be sitting there enabled.
How FTI helps
FTI is a Microsoft 365 reseller, and we bundle and manage Microsoft 365 with our managed IT services. Entra setup is part of that: MFA and passkeys, Conditional Access rules that fit how your people work, emergency accounts, and a clean process for joiners and leavers. Our AI-assisted operations watch sign-in activity alongside the rest of your systems, so unusual sign-ins reach an engineer, and our engineers decide what to do. Entra works alongside the Sophos protection on your devices and network described in our security services.
