Case study · Operation 01
Microsoft Security Posture Improvement
Supporting security remediation across Microsoft Defender, Intune and Entra ID within a global corporate and retail environment.
87 → 100%
Endpoint Security
60 → 78%
Software Vulnerability
67 → 76%
Ransomware Protection
01 · Challenge
The objective
Reduce endpoint exposure, strengthen ransomware protection and improve the organisation’s measurable Microsoft security posture.
02 · Delivery
My contribution
- Reviewed Microsoft Defender exposure and security recommendations.
- Supported remediation activity across endpoints, identity and Microsoft 365.
- Helped prioritise actions according to operational risk and business impact.
- Tracked progress across endpoint, vulnerability and ransomware controls.
03 · Evidence
Evidence and outputs
Evidence 01
Live production environment
Evidence 02
Security posture reporting
Evidence 03
Remediation coordination
Evidence 04
Risk-based recommendations
04 · Reflection
What this demonstrates
This operation demonstrates practical ownership across technical investigation, risk-aware prioritisation, implementation and clear communication. It also shows how security and infrastructure work must remain usable, supportable and aligned to the live environment.
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