Microsoft 365 runs a huge share of UAE businesses, from small trading firms in Deira to established companies across Dubai and Abu Dhabi. It is powerful, familiar, and convenient. It is also, out of the box, not as secure as most people assume. The default settings prioritise ease of use, which means several important protections are simply switched off until someone turns them on.

The good news is that most of the gaps are fixable in an afternoon by someone who knows where to look. This checklist covers the settings that matter most for businesses operating in the UAE, in plain language, so you can understand what to ask for even if you never touch the admin console yourself.

Turn On Multi-Factor Authentication for Everyone

If you do only one thing from this list, do this. Multi-factor authentication (MFA) requires a second proof of identity, usually a tap on a phone app, in addition to a password. It blocks the overwhelming majority of account takeover attempts, because a stolen password alone is no longer enough.

Enable it for every user without exception, especially administrators and anyone handling finance or customer data. The mild inconvenience of an extra tap is nothing compared to the cost of a compromised mailbox sending fraudulent invoices to your clients, a scam that is depressingly common in the region.

Lock Down Email Against Phishing

Email is the front door attackers knock on first. Microsoft 365 includes anti-phishing and anti-spoofing tools, but they need to be configured and, in many cases, upgraded to a level that matches the threat.

• Enable anti-phishing policies that detect impersonation of your executives and domains.
• Configure safe links and safe attachments so malicious content is checked before a user clicks.
• Set up SPF, DKIM, and DMARC records so criminals cannot easily send email pretending to be your domain.

These records are technical but critical, and getting them right is a core part of proper email security. Done well, they stop attackers from impersonating your brand to your own customers and suppliers.

Control Who Can Access What

Not everyone needs access to everything. Review admin roles and remove any that are not strictly necessary, because every admin account is a high-value target. Apply the principle of least privilege, giving each person only the access their job requires.

Set up conditional access policies where your licence allows. These let you block or challenge sign-ins based on location, device, or risk level. For a UAE-based business, you can flag or restrict logins from unexpected countries, adding a useful layer of protection with almost no impact on daily work.

Protect and Back Up Your Data

A common and dangerous myth is that Microsoft backs up all your data for you. Microsoft protects its infrastructure, but the responsibility for your actual content is shared. If a user deletes files, or a mailbox is hit by ransomware, native retention only goes so far.

• Enable retention policies for email, OneDrive, and SharePoint.
• Turn on the recycle bin and versioning so accidental deletions can be recovered.
• Seriously consider a dedicated third-party backup for Microsoft 365, which most security-conscious businesses now treat as essential.

Robust configuration here is central to broader Microsoft 365 security, and it is the difference between a bad morning and a genuine business crisis.

Watch for Trouble Before It Spreads

Security is not a one-time setup, it is an ongoing habit. Microsoft 365 provides tools to help you keep an eye on things, and they are worth using.

Check your Microsoft Secure Score, a simple percentage that tells you how well configured your tenant is against recommended practices. Review sign-in logs periodically for unusual activity, such as logins at odd hours or from unexpected locations. Set up alerts for risky events like mass file deletions or forwarding rules being created, since attackers often set up hidden email forwarding to quietly steal information.

Align With UAE Data Expectations

Businesses in the UAE increasingly need to demonstrate that they handle personal and customer data responsibly. A well-secured Microsoft 365 environment is a strong foundation for this, but configuration alone is not the whole story. You also need clear policies on data access, retention, and incident response.

Bringing your Microsoft 365 setup in line with your obligations is part of a wider approach to compliance and security. Treating it as a business requirement rather than a purely technical task tends to produce far better outcomes, because the settings then reflect real accountability.

Talk to Al Sadq IT Solutions

Al Sadq IT Solutions LLC, based in Al Khabaisi, Dubai, helps UAE businesses secure and get the most from Microsoft 365. If you would like a security review of your tenant, we can tell you exactly where the gaps are and how to close them. Call +971 50 931 2307, email info@alsadq.com, or contact us.