Strategic guidance
Helping organisations understand risk, define priorities and align security investments with business objectives.
Microsoft Security
Build a secure foundation for the frontier firm
Every organisation wants to move faster, make better decisions and unlock greater value from data and AI. Achieving those outcomes depends on trust.
As organisations embrace modern ways of working, adopt AI and increase reliance on data, the security challenge becomes more complex. Identities, devices, applications, data and cloud services all need to be protected without creating friction for users or slowing innovation.
Microsoft Security provides a connected platform for protecting your organisation across identities, endpoints, data, infrastructure and operations. Trustmarque Ultima helps organisations understand where they are today, strengthen security where it matters most and develop a practical path towards a more resilient future.
Security is the foundation of the frontier firm
The organisations gaining the greatest value from AI and digital transformation are not simply investing in technology. They are creating environments where people can use technology with confidence.
The ability to adopt AI safely, protect sensitive information, govern access, detect threats and meet regulatory obligations is becoming a business capability rather than an IT requirement.
Without strong security foundations, organisations face challenges including:
- Uncontrolled access to sensitive information
- Increased risk from cyber threats
- Difficulty meeting compliance obligations
- Reduced confidence in AI adoption
- Limited visibility of business risk
- Growing operational complexity
Why Trustmarque Ultima
Many organisations have already invested in Microsoft Security capabilities but are not realising their full value.
Trustmarque Ultima brings together strategy, advisory, implementation and managed expertise across the Microsoft Security portfolio. We help customers understand security as a connected discipline rather than a collection of individual tools.
Our approach combines:
Microsoft expertise
Supporting customers across the Microsoft Security ecosystem, from identity and endpoint protection through to data governance and security operations.
Outcome-focused delivery
Focusing on measurable improvements in security posture, operational resilience and organisational confidence.
End-to-end capability
From assessment and strategy through to implementation, optimisation and ongoing support. This breadth allows customers to engage with a single partner regardless of whether they are looking for tactical improvements, strategic transformation or specialist expertise.
Explore Our Security Services
Whether you are beginning your security journey, optimising existing investments or expanding support for AI adoption, our services are designed to help you move forward with confidence.
Assessment & Strategy
Understand your current security posture, identify gaps and create a roadmap for improvement.
Effective security starts with understanding where risks exist and which actions will deliver the greatest impact.
Services
M365 Security Assessment
Review your Microsoft 365 security capabilities and identify opportunities to strengthen protection across users, devices and collaboration platforms.Zero Trust Assessment
Evaluate your current environment against Zero Trust principles and create a practical roadmap for implementation.Compliance Gap Analysis
Assess existing controls against regulatory and governance requirements to identify improvement opportunities.Sentinel Assessment
Review how Microsoft Sentinel is configured and identify opportunities to improve visibility, detection and response.Security Workshops
Build stakeholder understanding of security priorities, risks and future opportunities through collaborative workshops.Identity & Access Management
Microsoft Entra
Identity is the control plane of modern security. Microsoft Entra helps organisations protect user identities, manage access and reduce the risk of unauthorised activity through modern identity and access management capabilities. Key focus areas:- Identity protection
- Conditional access
- Multifactor authentication
- Privileged access management
- Identity governance
- Conditional access
- Multifactor authentication
- Privileged access management
- Identity governance
Threat Protection
Microsoft Defender
Modern threats target users, devices, applications and cloud services simultaneously. Microsoft Defender helps organisations improve prevention, detection and response by providing integrated protection across the digital estate. Key focus areas:- Endpoint protection
- Threat detection
- Vulnerability management
- Email security
- Cloud workload protection
- Threat detection
- Vulnerability management
- Email security
- Cloud workload protection
Security Operations
Microsoft Sentinel
Security teams need visibility, context and actionable intelligence to respond effectively. Microsoft Sentinel helps organisations centralise security monitoring, investigate incidents and improve response capabilities through a scalable security operations platform. Key focus areas:- Security monitoring
- Threat analytics
- Incident response
- Security orchestration
- Operational visibility
- Incident response
- Security orchestration
- Operational visibility
Data Security & Compliance
Microsoft Purview
Data is one of an organisation's most valuable assets and one of its greatest responsibilities. Microsoft Purview helps organisations understand, govern and protect information wherever it resides. Key focus areas:- Data discovery
- Information protection
- Data lifecycle management
- Insider risk management
- Compliance management
- Information protection
- Data lifecycle management
- Insider risk management
- Compliance management
Specialist Security Expertise
SecureXpert
SecureXpert provides access to experienced Microsoft security specialists who can support projects, programmes and operational security initiatives.Whether you need strategic guidance, implementation expertise or additional specialist capacity, SecureXpert helps extend your internal capabilities.
Microsoft Cyber Security Integration Partner
Trustmarque is one of a select group of Microsoft Cyber Security Integration (CSI) partners in the UK.
This elite status recognises our deep technical expertise and proven success in deploying Microsoft security solutions like Defender, Sentinel, and Entra. It means we’re trusted by Microsoft to deliver high-impact security outcomes, faster, smarter, and with direct access to Microsoft engineering and funding programmes.
This award means Trustmarque can offer you:
- Priority access to Microsoft-funded workshops and incentives
- Expertise across all Microsoft Security domains
- Faster deployment and measurable ROI on your Microsoft investment
Work with a partner trusted by Microsoft to secure your estate and accelerate your Zero Trust journey.
Prism for Security
Turn security complexity into a clear plan for action
Many organisations know they need to strengthen security, support AI adoption and improve resilience. The challenge is understanding where to start, what to prioritise and how to make meaningful progress.
Prism for Security helps organisations assess their current position, identify opportunities for improvement and build a practical roadmap aligned to business objectives. It brings together security strategy, Microsoft technology and operational priorities into a clear framework that supports informed decision-making.
Rather than viewing security as a collection of individual tools, Prism for Security provides a structured view of the capabilities needed to protect identities, data, devices and operations while enabling innovation.
Why Prism for Security?
- Understand your current security maturity
- Identify the gaps that create the greatest risk
- Prioritise investment based on business impact
- Align security initiatives with AI and digital transformation goals
- Create a roadmap for continuous improvement
Thought Leader
You’re Paying Twice for Security — Here’s Why
Most organisations don’t lack security tools, they lack visibility.
This opinion piece challenges why Microsoft 365 customers keep overspending on duplicate security technologies while leaving powerful E5 capabilities unused. It explores how complexity weakens security, why “best‑of‑breed” often backfires, and why visibility is now the key to stronger, simpler protection.
If you run Microsoft 365, this article may change how you think about security.
Frequently Asked Questions
Trustmarque Microsoft Security Services: Secure More with What You Already Own
Maximise your Microsoft 365 investment with Trustmarque Ultima’s expert-led security services.
From E3 to E5 optimisation and embedded SecureXpert advisory, to Sentinel deployments and Microsoft-funded workshops, Trustmarque Ultima helps you unlock the full potential of Microsoft’s security stack. As a Microsoft Cyber Security Integration partner, we deliver trusted, scalable solutions that reduce risk, cut costs, and accelerate your Zero Trust journey..
What is Microsoft SecureXpert and how can it help my organisation?
SecureXpert is Trustmarque Ultima’s embedded Microsoft security advisory service. It provides continuous access to certified consultants who help you optimise Microsoft Defender, Sentinel, Entra, and Purview, maximising the value of your Microsoft 365 investment. It’s ideal for organisations looking to improve security posture without the cost of a full managed service.
How does Trustmarque Ultima support Microsoft Sentinel deployments?
We offers a proven 3-stage framework to help you deploy, configure, and optimise Microsoft Sentinel, the cloud-native SIEM and SOAR platform. We support migrations from legacy tools like Splunk, deliver custom dashboards, and ensure rapid time-to-value, especially for public sector and NHS customers.
What’s the benefit of moving from Microsoft 365 E3 to E5 for security?
Upgrading from E3 to E5 unlocks advanced security features like Microsoft Defender for Endpoint, Identity, and Office 365, as well as Microsoft Purview and Sentinel. We help you activate these tools and reduce reliance on third-party solutions, often cutting security tool spend by up to 44%.
What are Microsoft Security Workshops and who are they for?
Microsoft Security Workshops are funded engagements designed to help organisations assess and improve their security posture. Delivered by Trustmarque Ultima, these workshops cover topics like Zero Trust, threat protection, and SIEM + XDR. They’re ideal for IT and security leaders looking to build a roadmap using tools they already own.
Why choose a Microsoft Cyber Security Integration (CSI) partner?
As a Microsoft CSI partner, Trustmarque Ultima is recognised for its deep technical expertise and consistent delivery of Microsoft security solutions. This status gives customers access to exclusive Microsoft funding, faster deployments, and strategic guidance aligned with Microsoft’s Zero Trust and Secure Future initiatives.