Why Entra Admins Need Microsoft Purview Now

Purpose: why Entra admins should learn Purview

The discussion centers on why Microsoft Entra admins should also understand Microsoft Purview. Microsoft is pushing a “one Microsoft story,” where capabilities across the security and compliance stack are increasingly integrated instead of siloed.

Speaker background / authority

• Ry Reyes
  • Author of a Purview deployment book in the AI era
  • Prior Microsoft experience; now consulting at a Microsoft partner
  • Strong focus/association with Purview / Defender XCR / security deployment
• Merrill
  • Host of “Entra Chat”

What Purview is (and why it exists)

Purview is described as having evolved from email and compliance fragments (for example, Exchange-era protection) into a unified platform with multiple workloads.

Purview as “pillars”

Purview is framed as a platform with pillars—similar in spirit to how Entra has distinct product areas:

1. Data security core
   • Information Protection
   • DLP
   • Insider Risk
2. Compliance
   • Records management / lifecycle / compliance features (including E5-era capabilities)
3. AI-related security
   • AI Security

“Better together”

Specialists often know only one Purview area (e.g., records management), but the value increases when capabilities are combined:

• Classify sensitive information using Information Protection
• Act on it using DLP
• Detect suspicious behavior using Insider Risk

The “better together” theme is about end-to-end outcomes, not isolated features.

DLP (Data Loss Prevention): definition + key changes

What DLP does

Purview’s DLP is meant to stop/block sensitive data from leaving or being shared improperly.

Where DLP policies apply

DLP policies can apply across common Microsoft 365 workloads, including:

• Exchange
• Teams
• OneDrive
• SharePoint

It’s also expanding beyond Microsoft locations.

New direction: “Network data security”

A newer DLP capability targets users sharing sensitive information with unsanctioned generative AI apps.

Key characteristics include:

• DLP becomes usable in inline web traffic / browser sessions
• Some browser-session/unmanaged SaaS coverage previously appeared in Defender for Cloud Apps, but coverage is described as evolving over time

Integration with Entra ID: why Entra admins care

Existing integrations were discussed, including:

• Insider Risk integrating with Conditional Access
• Other security stack integrations

A newer integration path

The newly emphasized path:

• Purview network data security + DLP policies
• → Global Secure Access (for securing web/app access)
• → Conditional Access policies that enforce actions based on security posture/content risk

Insider Risk (E5): motivations + deployment reality

Why organizations adopt it

• Initially driven by compliance requirements
• Then expanded into accidental/behavioral risk, such as people sharing sensitive info improperly

Real-world deployment and change management

Rollouts require careful management because DLP/Insider Risk can disrupt workflows. Organizations need to explain the “why” to the business, not just the “what.”

What makes Insider Risk complex

It involves multiple detection and operational elements, such as:

• Detecting risky behavior like copying/downloading sensitive documents
• Handling lifecycle events, such as people leaving the company
  • Example: an HR-based connector to identify users leaving soon
• A human/behavioral framing:
  • emotional attachment to content
  • accidental misuse

Insider Risk → Conditional Access enforcement + adaptive protection

Purview/Defender insider capabilities can feed risk scoring.

A described workflow:

1. Adaptive protection scores users based on indicators (e.g., repeated sensitive downloads/sharing)

2. Integration with Entra Conditional Access

3. Enforcement can escalate by risk level:
   • low / moderate / high
   • ranging from warning-like actions to blocking access

Operational benefit

This can reduce reliance on manual processes like helpdesk-driven account disablement, because enforcement can be automated using ML-driven scoring.

Remediation strategy: education vs blocking

The conversation emphasizes that outcomes are often not like self-service password reset.

Instead, the approach frequently is:

• Educate users
• Route to the right stakeholders (e.g., data owners/managers)
• Avoid overwhelming the cyber security team with every alert

Example operational routing

• DLP/Insider Risk alerts about sensitive sharing often go to data owners/managers
• Insider Risk alerts can become teaching opportunities, especially when behavior is accidental

“Audit mode first” rollout guidance

For adoption, the recommendation is a phased approach:

1. Start in monitoring/audit mode to avoid productivity loss
2. Increase enforcement strength once the organization observes a high rate of risky sharing/download behavior

How Purview + Defender integration changes operations/triage

Purview alert triage vs Defender XDR incident triage was contrasted:

• Purview alerts may be more minimal
• Defender XDR portals provide richer “attack story” context
  • assets
  • users
  • behavior

The message: embrace “better together” routing so teams triage in the right tool with better context.

Practical implementation/rollout complexities for Entra admins

Entra admins may be asked to create Conditional Access policies driven by Purview workloads.

That requires broader ecosystem understanding, such as:

• SharePoint/data movement
• labeling
• where data lives across services

Purview coverage depends on multiple services (broadly mentioned: Exchange/SharePoint/Power Platform/Azure/SQL).

Final theme: integrated security/compliance workflows

Overall, Microsoft is converging:

• identity
• device + network/app access
• data protection + compliance

into integrated workflows—so admins should become comfortable crossing product boundaries (Entra, Purview, Defender, secure access, DLP).