Microsoft Security Learning Center

MICROSOFT SECURITY LEARNING CENTER

Practical Microsoft Security Resources for Business Leaders

Explore plain-English guides, checklists and practical resources to help your business
strengthen Microsoft 365 identity, email, device, application and AI security.

Start Here

Start with the core protections that have the greatest impact on Microsoft 365 security.

Microsoft 365 Security Checklist

Review identity, administrator accounts, email protection, sharing, devices,
backup, monitoring and employee security practices.

Start the checklist →

MFA Options for Small Businesses

Compare authenticator apps, security keys, passkeys, SMS codes and other
multi-factor authentication options.

Compare MFA options →

Conditional Access

Learn how Microsoft Entra Conditional Access can apply stronger controls
based on users, devices, applications and risk.

Read the guide →

Identity & Access Security

Protect accounts, limit excessive privileges and control who can access Microsoft 365.

What Is Microsoft Entra ID?

Understand the identity platform behind Microsoft 365 sign-ins,
authentication, access policies and user security.

Learn about Entra ID →

Principle of Least Privilege

Learn why employees and administrators should receive only the access
necessary to perform their work.

Review least privilege →

Multi-Factor Authentication

Understand why passwords alone are not enough and how MFA adds another
layer of protection to business accounts.

Explore MFA options →

Email, Phishing & Scam Protection

Learn how attackers abuse trusted Microsoft services, email and familiar brands
to steal credentials or manipulate employees.

Microsoft Teams Scam Safety

Learn how criminals use Teams messages, invitations and impersonation
to create trust and convince employees to take unsafe actions.

View the Teams scam guide →

Microsoft Account & Support Scams

Recognize fake Microsoft warnings, support calls, login pages and account alerts
designed to steal credentials or gain remote access.

Learn how to recognize the scams →

Phishing & Social Engineering

Understand how attackers manipulate employees into revealing information,
approving logins or changing financial instructions.

Learn about social engineering →

Applications, Permissions & Devices

Microsoft security also depends on connected applications, permissions and the
devices employees use to access company data.

Third-Party & OAuth App Review

Review what applications can access before granting permission and identify
excessive or unnecessary access.


Review OAuth app access →

Microsoft Intune & Device Management

Learn how managed devices can help businesses apply policies and protect
company information outside the office.

Learn about device management →

Conditional Access

Control access based on identity, device status, application, location
and sign-in risk rather than relying on passwords alone.

Explore Conditional Access →

Microsoft Security Is More Than Turning On MFA

Strong Microsoft 365 security depends on how identity, administrator privileges,
email protection, devices, applications, data sharing, monitoring and employee
behavior work together.

Start with the Microsoft 365 Security Checklist →

Microsoft AI & Copilot Security

AI introduces new questions about permissions, company data, connected tools,
human oversight and governance.

AI Governance Learning Center

Explore practical guidance for AI policies, tool approval, human oversight,
vendor risk and responsible business use of AI.

Explore AI Governance →

Zero Trust for AI

Apply familiar identity and least-privilege principles when AI agents can
access company systems, information and business processes.

Learn about Zero Trust for AI →

Human Approval for AI Actions

Understand when AI-generated recommendations or actions should still require
human review before affecting business systems or data.


Review human approval controls →

Security Guides & Checklists

Prefer something practical? Use these resources to identify gaps and turn
Microsoft security guidance into action.

Microsoft 365 Security Checklist

Work through the major areas of Microsoft 365 security one section at a time.

Open the checklist →

Conditional Access Guide

A plain-English introduction to controlling Microsoft 365 access based
on identity, device and risk.

Open the guide →

More Microsoft 365 Resources

Looking for Teams, SharePoint, Copilot, productivity or general Microsoft 365
guidance rather than security?

Visit Microsoft 365 Resources →

Not Sure Whether Your Microsoft 365 Environment Is Secure?

PCC helps Bay Area businesses secure Microsoft 365 identities, email, devices
and data while keeping technology practical for employees.

Let’s Talk