Explain the security model
Describe shared responsibility, defense in depth, the Zero Trust model, and identity as the security perimeter.






























Business stakeholders, IT professionals and students take SC-900, a Fundamentals exam on security, compliance and identity basics. Security solutions carry the most weight, 35–40%: network security, Defender, Sentinel and Defender XDR, then Entra and Purview. Microsoft expects familiarity with Azure and Microsoft 365, the exam runs 45 minutes, and the credential does not expire.
Describe shared responsibility, defense in depth, the Zero Trust model, and identity as the security perimeter.
Explain identity types, authentication methods, Conditional Access, roles, and identity governance.
Name what Azure DDoS Protection, Firewall, Defender for Cloud, Sentinel and Defender XDR each do.
Explain Compliance Manager, sensitivity labels, insider risk, eDiscovery and audit in Microsoft Purview.
We design this course ourselves. Microsoft runs the exam and issues the credential, and LUNARTECH is independent of Microsoft.
Security vocabulary starts with three ideas that shape every product. You learn who is responsible for what in the cloud, why defenses are layered, and how Zero Trust replaces trust in the network with checks on every request.
You build A layered defense diagram for a small office, with the Zero Trust principle behind each layer.
Identity is the new security perimeter, so its basics matter. You separate authentication from authorization, learn what an identity provider does, and see how directories and federation connect organizations.
You build A sign-in flow drawn step by step, marking where authentication ends and authorization begins.
Entra ID is where Microsoft’s identity features live. You learn its identity types, how multifactor and passwordless sign-in work, and how Conditional Access and role-based access limit what people can reach.
You build A sign-in policy for a small company that sets methods, one Conditional Access rule and the roles in use.
Access has to be watched and trimmed over time. You see how Identity Protection flags risky sign-ins, how privileged identity management limits standing admin rights, and how access reviews remove access nobody needs.
You build A governance plan that uses PIM and an access review for one team’s admin roles.
Network and platform controls stop many attacks before they reach an application. You meet DDoS Protection, firewalls, web application protection and network security groups, and see how encryption and key storage protect data.
You build A network security sketch that places each protection service in front of a web application.
Knowing your weak spots is half of defense. You learn how Defender for Cloud assesses configuration, gives a secure score, protects workloads, and reaches across Azure, other clouds and on-premises systems.
You build A short report that ranks three sample recommendations by risk and says what to do for each.
Detection and response need a view across everything. You learn what a SIEM and a SOAR do, how Sentinel collects and correlates data, and how Defender XDR joins signals from email, endpoints, identities and apps.
You build A map showing which Microsoft tool sees which part of a phishing-to-ransomware attack.
Compliance is about proving what you do, not only doing it. You learn where Microsoft publishes its audits, how Compliance Manager scores your position, and the privacy principles behind Microsoft’s handling of data.
You build A compliance summary for one regulation, using sample Compliance Manager actions.
Purview covers the life of sensitive data. You learn how labels classify and protect it, how data loss prevention and retention control it, and how insider risk, eDiscovery and audit help when something goes wrong.
You build A data protection outline that assigns a Purview feature to five data risks.
One map joins the course. You take a small organization and lay out its identity, network, threat and data protection needs, name the Microsoft tool for each, and note what is still missing.
You build A security, compliance and identity map for a sample organization, with each risk matched to a tool.

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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 Microsoft Azure and Microsoft 365, and a wish to see how its security, compliance and identity solutions work together.
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No single job owns it. Here’s where each role leans hardest, and where its work ends up.
Know which Defender product sees which attack. Sentinel pulls the signals into one view.
Security solutions
Enterprise IT, Financial services
Identity is the first control you set up. MFA and Conditional Access come before the rest.
Entra, Security solutions
Enterprise IT, Education
Compliance starts with knowing what data you hold. Classification and labels make the rest possible.
Compliance
Financial services, Healthcare
Security is a business decision as well as a technical one. Shared responsibility tells you what is yours.
Concepts, Compliance
Public sector, Enterprise IT
Cloud builds start from identity and network security. These basics tell you which controls to ask for.
Entra, Security solutions
Enterprise IT, Public sector
Apps sign in through Entra and handle sensitive data. Zero Trust basics make secure design easier.
Concepts, Entra
Financial services, Education
Security and compliance steps sit inside every project plan. Basics help you schedule them and ask the right questions.
Concepts, Compliance
Public sector, Healthcare
Risk registers refer to controls and compliance duties. This exam gives you shared terms for them.
Compliance, Concepts
Financial services, Public sector
Know which Defender product sees which attack. Sentinel pulls the signals into one view.
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Updated November 2026.
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45 minutes, proctored, in English, Japanese, Chinese (Simplified), Korean, French, Spanish, Portuguese (Brazil), Russian, Arabic (Saudi Arabia), Indonesian, German, Chinese (Traditional), Italian. The passing score is 700 or greater.
Microsoft expects familiarity with Microsoft Azure and Microsoft 365, and a wish to see how its security, compliance and identity solutions work together.
Does not expire.
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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Show you grasp security, compliance and identity basics. 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.