Microsoft 365 Security Case Study Hertfordshire
How AceGuard helped a Hertfordshire business strengthen Microsoft 365 security, reduce account compromise risks and improve identity protection.
The client relied heavily on Microsoft 365 for email, file sharing and collaboration but had several common security gaps.
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The Challenge
The organisation used Microsoft 365 daily but had not completed a formal Microsoft 365 Security Assessment. Several accounts were protected only by passwords and administrator access had grown over time without regular review.
- Multi-Factor Authentication was not enforced for all users.
- Several accounts had unnecessary administrator privileges.
- Conditional Access policies were missing or incomplete.
- SharePoint and OneDrive sharing permissions needed review.
- Inactive user accounts remained enabled.
Security Risks Identified
Account Compromise
Weak authentication increased the risk of unauthorised Microsoft 365 access.
Data Exposure
Sharing permissions created unnecessary exposure of business files.
Administrator Risk
Excessive privileged access increased the potential impact of a compromised account.
The AceGuard Solution
- Completed a Microsoft 365 Security Assessment.
- Reviewed Microsoft Entra ID and administrator roles.
- Implemented Multi-Factor Authentication improvements.
- Recommended Conditional Access policies.
- Reviewed SharePoint, OneDrive and external sharing settings.
- Provided clear remediation priorities.
The Outcome
Stronger Identity Security
User accounts became better protected against password attacks and phishing.
Reduced Attack Surface
Inactive accounts and excessive permissions were addressed.
Improved Governance
The business gained a clearer process for reviewing users, access and Microsoft 365 risk.
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AceGuard helps Hertfordshire businesses secure Microsoft 365, Entra ID, MFA, Conditional Access, SharePoint, Teams and OneDrive.
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