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Cyber Security Simplified: A Practical Guide for Microsoft 365 Organisations

Making enterprise-grade protection accessible and effective

Cyber security is getting harder to manage, not because your business is doing anything wrong, but because attackers are moving faster, using AI, and targeting organisations that don’t have the time or resources to run security like an enterprise.

This guide is designed for organisations with 50 to 1,000 employees that run Microsoft 365. It turns complex cyber security into achievable, high-impact steps that help you reduce risk, improve compliance, and simplify operations. Data points are sourced from recent Microsoft research and Tecala’s extensive delivery experience.

What’s inside this guide?

Large orange diamond Why cyber security must be a priority for every business, including how modern attacks are faster, more targeted, and increasingly automated.
Large orange diamond The cyber security risks impacting Microsoft 365 organisations today across identity, email, endpoints, data, apps, and cloud.
Large orange diamond Tecala’s Microsoft-powered Security Operating Model, and how it translates Microsoft’s security platform into real-world outcomes.
Large orange diamond How to solve real security challenges with Microsoft + Tecala, including phishing/BEC, credential theft, ransomware, tool sprawl, insider risk, cloud misconfigurations, and limited team capacity.
Large orange diamond What a Cyber Security Assessment includes, and how to get a clear, prioritised roadmap for improvement.

Who this eBook is for?

This guide is designed for organisations that:

Large orange diamond Run Microsoft 365.
Large orange diamond Have 50–1,000 employees.
Large orange diamond Need to improve security without adding complexity.
Large orange diamond Want clearer visibility, better control, and a practical path forward.
Large orange diamond Are feeling pressure from leadership, compliance, or cyber insurance requirements.

What you’ll walk away with

By the end of this guide, you’ll have a clearer understanding of:

Large orange diamond The security gaps attackers exploit most often in mid-sized businesses.
Large orange diamond How to reduce risk with stronger identity and access controls (including modern MFA and Conditional Access).
Large orange diamond How Microsoft security capabilities align to real threats across email, endpoints, cloud, and data.
Large orange diamond What a structured security journey looks like — from Secure Workplace through to Secure Operations and Governance, Risk & Compliance.
Large orange diamond How to simplify security by consolidating tools and improving operational maturity.

Ready to take the next step?

Get started on your Cyber Security journey.

If you’re looking for clear visibility into your Microsoft 365 security posture, and a practical roadmap to reduce risk, start with a Cyber Security Assessment.

Get actionable insights, prioritised recommendations, and measurable improvements across your Microsoft environment.

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