Microsoft security services
Delivered by the Government Cyber Unit (GCU), these services help you plan, implement and optimise Microsoft security tools to reduce cyber risk and improve resilience.
They provide specialist consultancy and targeted technical support across the Microsoft security ecosystem, based on your needs.
We currently provide 2 services:
- Optimising Microsoft Security Solutions (OMSS)
- Data loss prevention using Microsoft Purview Information Protection (MPIP)
Working with Cyber Uplift
Microsoft security services are part of Cyber Uplift’s service offering.
Where recommendations identify the need for technical changes, Cyber Uplift can provide deployed cyber enablement teams to implement those changes through hands‑on support.
Optimising Microsoft Security Solutions (OMSS)
OMSS helps you plan, implement and optimise Microsoft security tools to improve cyber resilience and information protection.
The service supports organisations with existing or planned Security Operations Centre (SOC) implementations, in line with National Cyber Security Centre (NCSC) guidance.
It also helps you get full value from Microsoft security capabilities within your existing or planned licensing and subscription arrangements.
Benefits of using OMSS
OMSS helps you to:
- improve how you use Microsoft security tools you already have
- reduce cyber security risk through better configuration and coverage
- support SOC planning or implementation in line with NCSC guidance
- meet cyber resilience and information protection objectives
- realise better value from existing Microsoft licensing
What OMSS does
OMSS provides specialist consultancy to help you plan, implement and optimise Microsoft security solutions.
The service covers the following Microsoft products:
- Microsoft Sentinel
- Microsoft Entra
- Microsoft Defender
- Microsoft Purview
OMSS supports you across the implementation lifecycle, from early planning through to go‑live.
How OMSS is delivered
OMSS provides support in 2 areas.
Discovery
Support to help you plan how Microsoft security and compliance solutions will be used, including how to make best use of the security tools available through E3 and E5 licences.
Implementation
Support to deploy Microsoft security features for the first time, including Sentinel, Entra, Defender and Purview.
This includes guidance and best practice recommendations to help you get full value from the tools in use.
Data loss prevention using Microsoft Purview Information Protection (MPIP)
Data loss prevention using MPIP helps you protect sensitive information by applying data classification, labelling and data loss prevention controls.
This service supports organisations that need to improve how sensitive data is handled, shared and protected.
Benefits of using data loss prevention using MPIP
Data loss prevention using MPIP helps you to:
- reduce the risk of data loss or accidental disclosure
- apply consistent data classification and labelling
- protect sensitive information across Microsoft 365 services
- support compliance with information protection requirements
What data loss prevention using MPIP does
Data loss prevention using MPIP provides specialist support to help you design, configure and implement data loss prevention using Microsoft Purview.
This includes support for:
- data classification and sensitivity labelling
- data loss prevention policies
- information protection controls across email, files and collaboration tools
MPIP is delivered as part of the Microsoft security services offer and can be used alongside OMSS where broader optimisation or planning support is needed.
Contact us
To enquire about Microsoft security services, email gcu-services@dsit.gov.uk
When you contact us, include:
- your organisation
- the Microsoft security tools you use or plan to use
- whether you need support with planning, implementation or optimisation
We will review your enquiry and contact you to discuss the most appropriate support.