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Whether you’re a one-person operation or a growing business with a full team, we’re here to help. Get in touch and let’s talk about what we can do for you.
Whether you’re a one-person operation or a growing business with a full team, we’re here to help. Get in touch and let’s talk about what we can do for you.
Why Your Data Must Be Ready Before You Switch It On
Microsoft Copilot’s safety depends entirely on the Microsoft 365 environment it accesses. If SharePoint sites, Teams files, OneDrive folders, groups, permissions, guest users, and sensitivity labels aren’t properly managed, Copilot can expose existing data governance issues much faster.
See it in your own tenant. Governance is easier to care about once you have found your own over sharing. Our free worksheet walks you through finding it, read only, in about 75 minutes: What Can Copilot Actually See?
Many businesses buy Copilot licences and switch them on straight away, without checking whether their data is organised and protected. Copilot reads your existing Microsoft 365 environment, so your permissions, classification and security policies have to be right first.
Rushing to use Copilot for faster summaries, better search or content drafting can backfire. Copilot enforces your existing Microsoft 365 security settings, and if those are weak or outdated, Copilot will still follow them.
For example, if an old finance folder has “Everyone” access, Copilot could include that content in responses to users who should not see it. Copilot respects SharePoint, OneDrive and Teams permissions, but it does not judge whether those permissions are still appropriate.
Abandoned SharePoint sites, former employees still sitting in groups, unchecked guest access and widely shared links. These stay hidden day to day, then become security risks the moment an AI tool can search and summarise everything at scale.
This doesn’t mean Copilot is unsafe by design. It respects security boundaries, keeps user prompts and responses within your tenant, and doesn’t train public models on your data. The risk lies in the environment around Copilot, not Copilot itself.
“Copilot sees what you see” means it uses the access rights assigned to each Microsoft 365 user. If someone can open a SharePoint site, Teams files, a OneDrive folder or a group, Copilot can use that data in its answers. If they cannot, neither can Copilot.
Permissions across SharePoint, Teams, OneDrive, groups and sharing links form the access picture Copilot works within. If that picture is messy, so are Copilot’s answers.
Microsoft Entra ID manages users, roles, groups, conditional access, privileged admins and sign-in policies. Stale accounts, too many admins or patchy MFA are inherited by Copilot, because identity decides who can reach what.
Copilot works with Microsoft Purview and logs every interaction in Purview Audit. That gives your admins a record of what was asked and answered, and a way to find overshared files.
An operations manager with access to a poorly protected SharePoint library asks Copilot to summarise recent commercial risks. The answer comes back with unrelated HR and financial detail in it. Copilot has not broken a rule. It has followed the access rules that were already there.
Most SME Microsoft 365 environments have grown organically. Teams for projects, SharePoint for departments, OneDrive for sharing and groups for collaboration, each added when it was needed and rarely reviewed since. Four things tend to go wrong.
Staff changes and restructures leave SharePoint sites behind with nobody responsible for them. Permissions, sharing, lifecycle and retention all go unchecked.
“Everyone” and “All Company” links are convenient at the time and risky for years afterwards. Teams sites carry their own SharePoint storage, so a casual share can open up more than the person intended.
Former employees and unmanaged guests often keep their access. A supplier added for a six week project is still in there two years later, because nothing forces a review.
Duplicates, out of date files and documents with no sensitivity label. Without labels, metadata or retention policies, nobody can say which content is public, internal, confidential or highly confidential.
of organisations can’t meet regulatory requirements partly due to poor Microsoft 365 governance.
This is a compliance risk, not just untidy IT. Copilot can support your UK GDPR obligations, but only where the controls underneath it are in place: clear owners, reviewed permissions, sensitivity labels and retention policies.
Data readiness means your Microsoft 365 environment is organised, permissioned, labelled, monitored, and governed before deploying Copilot widely. For most SMEs, this means following a clear checklist rather than fixing everything at once.
01
Review SharePoint sites, Teams, OneDrive, groups, guest users, external links, former employees, and admin roles using Microsoft Entra ID. Identify overly broad access, orphaned sites, and misplaced sensitive content.
02
Ensure users have only the access they need. Sales staff shouldn’t access HR files; guests shouldn’t access entire departments; admin rights should be limited.
03
Classify data as Public, Internal, Confidential, or Highly Confidential using Microsoft Purview data services. Apply labels manually or automatically. Mandatory labelling requires end users to assign labels before saving files. Labels can include dynamic watermarks and persist across devices.
04
Create policies to prevent inappropriate sharing. DLP detects sensitive data, restricts sharing, blocks risky actions, and warns users. Copilot respects these policies to prevent data loss.
05
Define rules for creating, naming, owning, reviewing, archiving, and deleting Teams, Groups, and Sites. Use lifecycle policies to manage storage and workspace disposition.
06
Verify every access request based on identity, device, context, and risk. Don’t trust users by default, even inside your network.
Microsoft Purview is the compliance and governance platform for Microsoft 365. It manages classification, sensitivity labels, DLP, audit, retention, eDiscovery, insider risk, and compliance.
Microsoft 365 Business Premium includes basic Purview features like manual sensitivity labels, standard DLP, audit, and retention. Many SMBs start here, but advanced classification, automatic labelling, enhanced DLP, and insider risk need extra licensing or additional services.
Copilot respects Purview sensitivity labels. If a file is labelled Highly Confidential and protected, Copilot honours those settings. Labels travel with documents into Copilot responses, maintaining protection.
Labels can be manual or automatic, e.g., detecting SSNs or financial data. Mandatory labelling ensures files aren’t saved without a label. Files keep label info across devices and apps.
DLP adds control by blocking or warning about risky sharing. Policies enforce rules consistently instead of relying on user memory.
Purview logs all Copilot interactions, helping admins track usage for compliance and generate reports with actionable insights.
However, Purview must be fully configured and enforced. Having labels or draft policies isn’t enough. Copilot readiness means live, tested controls that end users understand.
Purview classifies and protects the data. It does not manage the workspaces that data sits in: who owns them, who still has access, and whether anyone still uses them. That gap is what workspace governance tooling fills.
Requesting, approving, creating, reviewing, archiving and deleting workspaces run as one managed process instead of ad hoc requests.
Regular checks on ownership, guest access, sharing and activity, with policy enforcement so breaches of your rules are caught across the whole tenant.
Finds orphaned sites, inactive Teams, unmanaged groups and risky external access, then automates the permissions and guest reviews that follow.
Department owners manage their own workspaces inside guardrails, which takes the work off IT without giving up control.
Archiving or deleting inactive workspaces also recovers storage, and keeps years of old content out of the answers Copilot gives.
Classifies and protects the data itself.
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Manages the workspaces and permissions around the data.
Purview and workspace governance cover the two halves of the problem: the data itself, and the workspaces and permissions around it. Together they are what gets a Microsoft 365 tenant ready for Copilot.
We Do Your IT Support’s AI Security Pack combines Microsoft Purview, workspace governance, and DNS filtering for a managed route to Copilot readiness
Comprehensive Microsoft 365 data governance usually takes 6–12 weeks for SMEs. Quick fixes aren’t enough for secure Copilot deployment.
2–4
Weeks
Permissions Audit
Review sites, Teams, OneDrive, groups, guest users, external links, and admin roles using Microsoft Entra.
3–6
Weeks
Sensitivity labelling and DLP
Define labels, configure Purview, test auto-labelling, apply labels, and train end users.
2–4
Weeks
Workspace governance
Set naming, ownership, request processes, lifecycle, automated reviews, archiving, deletion, and delegated management. Workspace governance tooling can automate much of this.
1–2
Weeks
Identity and access management
MFA, conditional access, privileged role reviews, and guest access improvements with Microsoft Entra ID.
Ongoing
User training
Essential for understanding permissions changes, sensitivity labels, external sharing, and responsible Copilot use.
Rushing governance risks exposing hidden data problems once Copilot is switched on. Our AI Security Pack accelerates implementation but prioritises secure foundations before AI adoption.
Copilot uses data and permissions already in Microsoft 365. If access controls are weak, Copilot may reveal overshared or sensitive content. Good governance protects data, customer info, employee records, and regulated content, while providing admins with audit logs and actionable insights.
Typically 6–12 weeks, covering permissions audits, sensitivity labelling, DLP, workspace governance, identity management, and training. Governance is ongoing, requiring regular reviews and policy enforcement.
It means users only have the minimum access needed for their role. Limiting access reduces risk of confidential data exposure, especially important with AI tools like Copilot.
Yes, it includes basic Purview features like manual sensitivity labels, basic DLP, audit, and retention. Advanced governance may require additional licensing or third-party workspace governance services.
Workspace governance tooling automates workspace lifecycle, ownership, permissions, guest access, reviews, archiving, and deletion. It complements Microsoft Purview data governance by managing the Microsoft 365 workspaces where data lives, helping enforce governance policies at scale.
Book a Copilot security review with We Do Your IT Support to understand your business’s specific needs before switching on AI tools.
