Ensuring device & data security for a global business

The situation

A medium-sized organisation faced serious data-security and operational challenges. Staff routinely accessed corporate information from personal or unmanaged devices, with no visibility into what was being viewed, copied or shared, and no way to revoke access or wipe sensitive content when someone left. Performance limits in the existing VPN drove users to bypass secure channels, scattering files across personal devices, unsanctioned cloud platforms and local file servers. The result was widespread data sprawl, no centralised oversight, no device enrolment and no standard operating environment, an inconsistent posture with no way to enforce a baseline.

The task

Implement a secure Microsoft 365 framework so corporate data could only be accessed on compliant, protected devices, with full control over access, instant revocation, enforced device hygiene, audit-level visibility, and a better way to store and share files.

What we did

• Deployed a Mobile Device Management strategy on Microsoft Intune, with Conditional Access ensuring only compliant devices could reach corporate systems.
• Enforced device-compliance policies mandating antivirus, encryption and current operating systems; non-compliant devices were automatically blocked.
• Restricted access to managed, containerised environments, cutting the risk of leakage or downloads to personal storage.
• Implemented logging and monitoring across endpoints and servers to capture user activity, failed sign-ins and anomalous behaviour.
• Rolled out secure remote access, removing the need for duplicated file storage and ad-hoc transfers.
• Established a corporate intranet and central SharePoint document structure, with OneDrive for controlled external sharing and Microsoft Teams for day-to-day collaboration.

The result

• Microsoft 365 access restricted to verified, compliant corporate devices, dramatically reducing exposure.
• Real-time remote wipe enabled for personal and unmanaged endpoints, an immediate answer to offboarding and policy breaches.
• A brute-force attack detected and blocked early through the enhanced logging.
• Faster, frictionless access through managed apps improved the user experience and ended reliance on personal storage.
• Standardised, automated policy enforcement gave consistent security across the whole workforce.

This is exactly the kind of work our Endpoint & Device Security and Data Protection practices deliver, on Microsoft Intune, Conditional Access and SharePoint. See more in our case studies, or start with a cyber health check.