Microsoft Security

Microsoft Defender and Threat Protection

Strengthen protection across users, devices, applications and data

Cyber threats continue to evolve in scale, sophistication and impact.

Attackers no longer focus on a single entry point. Threats move across identities, devices, email, cloud services and data, often exploiting gaps between security tools and operational processes.

Protecting against modern threats requires more than isolated security controls. Organisations need visibility, intelligence and coordinated protection across their entire digital estate.

Trustmarque Ultima helps organisations strengthen threat protection using Microsoft Defender. We help customers assess risk, optimise existing Microsoft investments and build a more resilient security posture that supports business objectives and long-term growth.

Why threat protection matters

Every organisation faces a unique combination of cyber risk, operational pressure and compliance requirements.

At the same time, security teams are expected to protect more users, more devices and more services than ever before, often with limited resources.

Without effective threat protection organisations may struggle with:

Limited visibility of emerging threats
Increasing attack surfaces
Phishing and ransomware risks
Endpoint vulnerabilities
Alert fatigue and operational complexity
Delayed threat detection and response

Microsoft Defender helps organisations build a connected approach to threat protection by bringing together security signals across identities, endpoints, email, applications and cloud workloads.

Microsoft Defender Assessment

Microsoft Defender Deployment & Optimisation

Threat Exposure & Vulnerability Management

Defender and Security Operations Integration

Microsoft 365 Security & Defender Optimisation

Microsoft Defender Assessment

Understand your current protection capabilities

Many organisations have Microsoft Defender capabilities available through existing Microsoft licences but are not fully using the security features available to them.

Our Microsoft Defender Assessment reviews your current environment, identifies gaps and provides practical recommendations for improvement.

Assessment Areas

- Endpoint security
- Identity protection
- Email and collaboration security
- Cloud workload security
- Vulnerability management
- Security operations integration
- Microsoft 365 Security configuration

Outcomes

Visibility of current security strengths and weaknesses
Prioritised recommendations
Improved security maturity
Greater value from existing Microsoft investments

Microsoft Defender Deployment & Optimisation

Improve security without increasing complexity

Implementing threat protection technology is only part of the journey. Ongoing optimisation is critical to maintaining effective protection as threats and business requirements evolve.

Trustmarque Ultima helps organisations deploy, configure and optimise Microsoft Defender capabilities to align with operational and security objectives.

Services include:

Microsoft Defender for Endpoint
Microsoft Defender for Office 365
Microsoft Defender for Identity
Microsoft Defender for Cloud
Security policy configuration
Threat protection optimisation
Security monitoring integration

Threat Exposure & Vulnerability Management

Reduce risk before threats become incidents

Understanding where vulnerabilities exist is essential to improving cyber resilience.

We help organisations use Microsoft Defender capabilities to identify exposure, prioritise remediation activity and strengthen security controls.

Areas of focus include:

- Asset visibility
- Vulnerability identification
- Security recommendations
- Risk prioritisation
- Exposure reduction planning
- Continuous improvement programmes

The result is a more informed approach to risk management and a clearer understanding of where improvement efforts should be focused.

Defender and Security Operations Integration

Connecting prevention, detection and response

Threat protection is most effective when it operates as part of a wider security strategy.

Trustmarque Ultima helps customers integrate Microsoft Defender with Microsoft Sentinel and wider Microsoft Security capabilities to improve visibility and operational effectiveness.

This enables organisations to:

- Accelerate threat detection
- Improve investigation processes
- Enhance incident response
- Reduce operational complexity
- Strengthen security monitoring capabilities

Our consultants help customers create security architectures where prevention and response work together rather than operating in isolation.

Microsoft 365 Security & Defender Optimisation

Maximise the value of your Microsoft investment

Many organisations already own powerful security capabilities through Microsoft 365 licensing but only use a fraction of their available functionality.

Trustmarque Ultima helps customers understand, activate and optimise Microsoft Defender capabilities included within Microsoft licensing agreements.

Our approach focuses on:

- Security posture improvement
- Licensing optimisation
- Defender capability adoption
- Risk reduction initiatives
- Microsoft security maturity

This helps organisations improve protection while gaining greater value from existing Microsoft investments.

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.

What makes Trustmarque Ultima different?

Organisations do not need another technology provider. They need a partner that understands how security supports business resilience, transformation and future growth. Our approach combines technical expertise with strategic security guidance.

Security Beyond Individual Products

We help customers understand how Microsoft Defender connects with Entra, Sentinel, Purview and wider Microsoft Security investments.

Security Expertise Embedded Into Your Organisation

Through SecureXpert, customers gain access to experienced Microsoft Security specialists who provide ongoing guidance and support rather than one-off project engagement.

Focused on Outcomes

Recommendations are aligned to operational priorities, security objectives and risk reduction goals.

Maximising Existing Investments

We help organisations identify opportunities to gain additional value from the Microsoft licences and security capabilities they already own.

Customer Success

Coventry Building Society

Trustmarque's long-standing relationship with Coventry Building Society demonstrates how security forms part of a broader digital transformation strategy.

As highlighted in the case study, we helped enhance user experience, security and compliance through Microsoft technologies including Microsoft Defender and Microsoft Purview while supporting the organisation's wider transformation objectives.

Key Outcomes

Enhanced security capabilities
Improved compliance posture
Strong strategic partnership aligned to future growth objectives

See how Trustmarque Ultima can help you

Build a stronger defence against modern threats

Effective threat protection is about more than preventing attacks. It is about creating the visibility, resilience and confidence needed to operate securely in an increasingly complex environment. Whether you are looking to optimise Microsoft Defender, improve security maturity or strengthen your wider Microsoft Security strategy, Trustmarque Ultima can help you identify the next step.

Speak to our Microsoft Security specialists about your threat protection objectives.