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5 March 2026

Is Microsoft 365 secure? Here’s what decision-makers need to know

Microsoft 365

Productivity

As organizations move more work to the cloud, questions about security and control often arise. How is information protected, who has access—and can the platform be trusted?

Common concerns about cloud and data

When Microsoft 365 comes up at the executive level, the same questions often appear: Is our data secure? Who has access? Does this meet our requirements?
These are reasonable questions. Microsoft 365 security is not about taking greater risks—it’s about working with protection that is built in from the start.

Who sees what? Permissions in practice

In Microsoft 365, all access is controlled through permissions. This means that:

users only see what they are allowed to see
permissions follow the role, not the individual
access can be adjusted quickly when changes occur

Copilot and other features follow the same rules. Nothing “reads everything” or shares information freely.

What happens to the company’s data?

Your company’s data remains your company’s data. It is not used to train open AI models and is not shared with other organizations.
This distinguishes Microsoft 365 from many standalone services where it may be unclear how information is handled.

Compliance and regulations

Microsoft 365 is built to support requirements related to:

data protection
traceability
information classification
compliance

This means security and regulatory compliance do not become a separate project—but a natural part of everyday work.

Security is about control—not technology

For decision-makers, security is rarely about technical details. It’s about control, transparency, and accountability.
Microsoft 365 provides a stable foundation where security is built in—and where people always have the final say.

FAQ

How does pricing and licensing work over time?

Microsoft 365 is a subscription‑based service with monthly or annual billing. Licenses can be adjusted based on the number of users and your needs, so you only pay for what you use. Updates and new features are always included, eliminating the need for costly one‑time purchases or manual upgrades.

Why should we choose Microsoft 365 as a solution for our business?

Microsoft 365 combines reliability, security, and integration in a single solution. By choosing Microsoft, your business gets access to a complete suite of always up‑to‑date apps and services, built with strong security and compliance with regulations and standards. This makes collaboration easier, saves time, and reduces risk — while allowing the solution to scale as your business grows.

Which Microsoft 365 license is best for our business and users?

The right choice depends on your company’s size, needs, and which apps and features your users rely on most. We can help you analyze your requirements to ensure you get a license that’s both cost‑effective and flexible for the future. Small and mid‑sized businesses often choose Business licenses, while larger organizations may benefit from Enterprise licenses that offer enhanced security, analytics, and compliance.

Why should we work with NAB?

At NAB Solutions, we’re more than a vendor — we’re a partner. That means we start with your business, not the product. We focus on understanding your needs, goals, and challenges to create solutions that actually solve them, rather than selling features you don’t need.

Ready to ensure your organization’s data is protected in Microsoft 365?

We help companies create a secure and well-structured Microsoft 365 environment.

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Is Microsoft 365 secure? Here’s what decision-makers need to know

Table of contents

Common concerns about cloud and data

Who sees what? Permissions in practice

What happens to the company’s data?

Compliance and regulations

Security is about control—not technology

FAQ

How does pricing and licensing work over time?

Why should we choose Microsoft 365 as a solution for our business?

Which Microsoft 365 license is best for our business and users?

Why should we work with NAB?

Ready to ensure your organization’s data is protected in Microsoft 365?

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Resources

Talk to an expert

Talk to an expert

Resources

Talk to an expert

CRM

ERP

AI / Copilot

Productivity

Industries

Get the latest industry news

Latest news

Table of contents

Common concerns about cloud and data

Who sees what? Permissions in practice

What happens to the company’s data?

Compliance and regulations

Security is about control—not technology

How does pricing and licensing work over time?

Why should we choose Microsoft 365 as a solution for our business?

Which Microsoft 365 license is best for our business and users?

Why should we work with NAB?

Solutions

Inspiration

Legals

NAB Solutions

Follow us

Contact