The Microsoft 365 Security Gaps Most SMEs Have

Most small businesses on Microsoft 365 are running standard licensing with minimal security configuration. A generalist IT person can get the tenant running; actually locking it down is a different, often skipped, task. Here are the gaps we see most often.

Running on default settings

Microsoft 365 tenants are frequently set up once during onboarding and never revisited from a security standpoint. Standard licensing includes basic anti-malware, but not the advanced phishing and threat protection available through Defender for Office 365 Plan 2 - and most businesses never turn it on, sometimes without realising they already have access to it.

No conditional access or consistent MFA

Without Entra ID Conditional Access configured, any device from anywhere can sign in with just a password. Multi-factor authentication may be available but isn't required, or is only switched on for some users. This is one of the simplest, highest-impact gaps to close, and one of the most commonly overlooked.

No advanced threat protection

Standard filtering catches obvious spam, but more targeted phishing attempts - the kind aimed specifically at your business - often still reach staff. Nobody is monitoring for unusual sign-in activity, like a login attempt from an unexpected country, because Identity Protection was never configured.

Closing these gaps without a rebuild

None of this requires replacing your Microsoft 365 platform. It requires properly configuring the security capability that's frequently already included in your licensing, or available as a modest add-on. Our Microsoft 365 security uplift service assesses your current licensing first, then deploys Defender for Office 365 Plan 2 and Entra ID Conditional Access to close these specific gaps.