Microsoft Purview Security Tooling Blog Series

The biggest data security risk in Microsoft 365 isn't external attackers. It's the controls you think you've already implemented. Most organisations believe their data is secure because they have Microsoft 365. The reality is often very different. Over the last few weeks, I've written a series exploring the Microsoft Purview data security capabilities that organisations regularly purchase but don't fully implement, configure, or operationalise.

The common assumption is that data security is a technology problem. In practice, it's a visibility, governance, and control problem. Knowing where your sensitive data is, who has access to it, how it moves, and how you respond when something goes wrong requires much more than switching on a licence.

The series explores:

🔹 Information Protection – classifying and protecting what matters
🔹 Data Loss Prevention – turning classifications into enforceable controls
🔹 Insider Risk Management – understanding risky behaviours before they become incidents
🔹 Information Barriers – controlling who can collaborate with whom
🔹 Data Security Investigations – turning alerts into evidence and action
🔹 DSPM for AI and Data – exposing hidden risks and overexposure across your estate

If you're working in data governance, security, compliance, or responsible AI, these capabilities are becoming increasingly important as organisations seek to balance productivity with protection. The challenge isn't buying the technology. It is implementing the controls that make the technology effective.

You can read the full series here:

References

The Reality of Data Security in M365 (Purview Protection)

Microsoft Purview Information Protection: The Control Most Organizations Think They Already Have 

Microsoft Purview Information Barriers: Controlling Who Can Work With What

Microsoft Purview Data Security Investigations: When Alerts Become Evidence

Microsoft Purview DSPM: Unmasking Your True Data Risks

Microsoft Purview Data Loss Prevention: Where Classification Becomes Control

Microsoft Purview Insider Risk Management: When Data Movement Becomes Behaviour