Classify and label data
Define sensitive information types, build sensitivity labels, and apply protection on Windows, file shares and Exchange.






























SC-401 is an Associate exam for administrators who protect sensitive Microsoft 365 data with Purview, including data used by AI. It covers sensitivity labels, DLP, retention, insider risk and audit, plus Data Security Posture Management for AI. Microsoft expects Microsoft 365, PowerShell, Entra and Defender portal familiarity, and the credential lasts 12 months.
Define sensitive information types, build sensitivity labels, and apply protection on Windows, file shares and Exchange.
Design DLP policies for services and endpoints, including Endpoint DLP and just-in-time protection.
Plan retention, build labels and adaptive scopes, and publish the policies that keep or delete content.
Run insider risk management and audit, and set Purview controls and DSPM for AI so assistants do not overshare.
We design this course ourselves. Microsoft runs the exam and issues the credential, and LUNARTECH is independent of Microsoft.
Start with how data actually escapes: careless sharing, oversharing, insiders and attackers. You map each risk to the Purview tool that addresses it, and set up the roles that let administrators work without seeing more than they should.
You build A risk map that links each data leak scenario in a sample company to the Purview control that addresses it.
You cannot protect what you have not found. You define sensitive information types with patterns and keywords, train classifiers, use exact data match for precise cases, and read where sensitive content sits.
You build A custom sensitive information type and a trainable classifier, both tested against sample documents.
Labels are how classification becomes protection. You design a label taxonomy people can follow, set encryption and marking, publish with policies, and add automatic labeling for content users will not label themselves.
You build A published label set with encryption, a label policy and an auto-labeling rule for one data type.
Protection has to follow data to where it is kept. You apply labels on Windows endpoints, scan and label on-premises file shares, and secure email with Message Encryption and its branding and rights options.
You build A protection plan covering a laptop, a file share and a mailbox, with the settings for each.
DLP watches the places data moves and stops the moves that should not happen. You build policies across Exchange, SharePoint, OneDrive and Teams, tune them in simulation, and shape alerts and tips that guide users instead of blocking work.
You build A DLP policy for one regulated data type, run in simulation with its results reviewed.
Much data leaves from the device itself, through USB, browsers and apps. You onboard endpoints, restrict risky actions, and apply just-in-time protection so controls tighten only when a user does something risky.
You build An Endpoint DLP policy set that blocks one risky action and audits another, tested on an enrolled device.
Keeping everything is a risk, and deleting too soon is a bigger one. You plan retention with policies and labels, scope them with adaptive scopes, and review what is disposed of at the end of its life.
You build A retention schedule for four content types, built as labels with adaptive scopes.
Some of the largest losses come from people with legitimate access. You set up Insider Risk Management policies, tune indicators and thresholds, handle cases fairly, and link risk level to the controls that respond to it.
You build An Insider Risk policy for a departing-employee scenario, with an investigation workflow.
When something goes wrong you need a record of what happened. You search Purview Audit, set retention for audit data, read activity explorer, and build the alerts that tell you when a pattern appears.
You build An investigation that reconstructs one user’s file activity from audit and activity explorer data.
AI assistants surface whatever a user can reach, which makes oversharing visible overnight. You use Data Security Posture Management for AI to see how data meets AI, and apply labels and DLP so assistants respect the same boundaries as people.
You build An AI readiness review that lists oversharing risks in a sample tenant and the controls that close them.
One scenario brings every control into a single program. You classify, label, protect, retain and monitor a company’s data, then explain how each control supports the others and where the gaps remain.
You build A data protection program for a sample organization: labels, DLP, retention, insider risk and AI controls.

Certifying body · Independent of LUNARTECH
Microsoft publishes its exam outlines and runs its certification program through Microsoft Learn. Exams are delivered through Pearson VUE, and Associate, Expert and Specialty credentials renew each year through a free, unproctored online assessment. LUNARTECH is independent of Microsoft.
Microsoft expects familiarity with all Microsoft 365 services, PowerShell, Microsoft Entra, the Microsoft Defender portal and Microsoft Defender for Cloud Apps.
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No single job owns it. Here’s where each role leans hardest, and where its work ends up.
Classification decides which files get protected. Labels carry that decision with the file.
Protection, DLP and retention
Financial services, Healthcare
Retention is a promise to auditors and regulators. Labels and policies keep it without manual work.
DLP and retention, Risk and alerts
Legal and professional services, Public sector
Not every leak comes from outside. Insider risk policies and audit logs show the pattern.
Risk and alerts
Financial services, Enterprise IT
AI assistants surface whatever users can reach. Tighten that access before the rollout.
Protection, Risk and alerts
Enterprise IT
Privacy law needs controls you can show working. Labels and retention are how that shows up in practice.
Protection, DLP and retention
Financial services, Public sector
Leaks start with ordinary file sharing and chat. DLP rules catch them before data leaves.
Risk and alerts
Enterprise IT, Financial services
Records must be kept for a set time, then removed. Retention policy does both without manual effort.
DLP and retention
Legal and professional services, Public sector
Copilot can surface any file a person can read. AI posture tools show what is overshared.
Protection, Risk and alerts
Enterprise IT, Financial services
Classification decides which files get protected. Labels carry that decision with the file.
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100 minutes, proctored, in English, Portuguese (Brazil), French, German, Japanese, Chinese (Simplified), Spanish. The passing score is 700 or greater.
Microsoft expects familiarity with all Microsoft 365 services, PowerShell, Microsoft Entra, the Microsoft Defender portal and Microsoft Defender for Cloud Apps.
12 months. Pass a free online assessment on Microsoft Learn.
We last reviewed it on 5 November 2026, from Microsoft’s own pages. Details change, so check the official page before you book.
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Prove you can find sensitive data and keep it protected. Start with a free trial, or enroll in a plan and work through the course at your own pace. Microsoft runs the exam and issues the credential.
LUNARTECH is independent of the vendors and certifying bodies listed here. Their names, exam titles and marks belong to them, exams are run by them, and credentials are issued by them. Reviewed 5 November 2026. Catalogues change often, so confirm the details on the official page before you book.