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Tminus365 Docs
  • 🚀Welcome to Tminus365 Docs
  • 🔐Security
    • Azure AD (Entra)
      • MFA Shall Be Required for All Users
      • MFA is enforced on accounts with Highly Privileged Roles
      • MFA is enforced for Azure Management
      • MFA registration and usage shall be periodically reviewed
      • Legacy Authentication shall be blocked
      • High Risk Users Shall Be Blocked
      • High Risk Sign-Ins Shall Be Blocked
      • Browser Sessions shall not be persistent for privileged users
      • MFA shall be required to enroll devices to Azure AD
      • Managed Devices shall be required for authentication
      • Guest User Access Shall be restricted
      • The number of users with highly privileged roles shall be limited
      • Users assigned highly privileged roles shall not have permanent permissions
      • Activation of privileged roles should be monitored and require approval
      • Highly privileged accounts shall be cloud-only
      • Highly privileged role assignments shall be periodically reviewed
      • Passwords shall not expire
      • Azure AD Logs shall be collected
      • Only Admins shall be allowed to register 3rd party applications
      • Non-admin users shall be prevented from providing consent to 3rd party applications
      • Authorized Applications shall be configured for Single Sign-On
      • Inactive accounts shall be blocked or deleted
    • Teams
      • Private Channels shall be utilized to restrict access to sensitive information
      • External Participants SHOULD NOT Be Enabled to Request Control of Shared Desktops or Windows in Meet
      • Anonymous Users SHALL NOT Be Enabled to Start Meetings
      • Automatic Admittance to Meetings SHOULD Be Restricted
      • External User Access SHALL Be Restricted
      • Unmanaged User Access SHALL Be Restricted
      • Contact with Skype Users SHALL Be Blocked
      • Teams Email Integration SHALL Be Disabled
      • Only Approved Apps SHOULD Be Installed
      • File Sharing and File Storage Options shall be blocked
      • Only the Meeting Organizer SHOULD Be Able to Record Live Events
      • Attachments SHOULD Be Scanned for Malware
      • Link Protection SHOULD Be Enabled
      • Restrict Users who can Create Teams Channels
      • Teams Channels shall have an expiration policy
      • Data Loss Prevention Solutions SHALL Be Enabled
    • Exchange
      • Automatic Forwarding to External Domains SHALL Be Disabled
      • Sender Policy Framework SHALL Be Enabled
      • DomainKeys Identified Mail SHOULD Be Enabled
      • Domain-Based Message Authentication, Reporting, and Conformance SHALL Be Enabled
      • Enable Email Encryption
      • Simple Mail Transfer Protocol Authentication SHALL Be Disabled
      • Calendar and Contact Sharing SHALL Be Restricted
      • External Sender Warnings SHALL Be Implemented
      • Data Loss Prevention Solutions SHALL Be Enabled
      • Emails SHALL Be Filtered by Attachment File Type
      • Zero-Hour Auto Purge for Malware SHOULD Be Enabled
      • Phishing Protections SHOULD Be Enabled
      • Inbound Anti-Spam Protections SHALL Be Enabled
      • Safe Link Policies SHOULD Be Enabled
      • Safe Attachments SHALL Be Enabled
      • IP Allow Lists SHOULD NOT be Implemented
      • Mailbox Auditing SHALL Be Enabled
      • Alerts SHALL Be Enabled
      • Audit Logging SHALL Be Enabled
      • Enhanced Filtering Shall be configured if a 3rd party email filtering tool is being used
    • SharePoint
      • File and Folder Links Default Sharing Settings SHALL Be Set to Specific People
      • External Sharing SHOULD be Set to “New and Existing Guests”
      • Sensitive SharePoint Sites SHOULD Adjust Their Default Sharing Settings
      • Expiration Times for Guest Access to a Site SHOULD Be Determined by specific needs
      • Users SHALL Be Prevented from Running Custom Scripts
    • OneDrive
      • Anyone Links SHOULD Be Turned Off
      • Expiration Date SHOULD Be Set for Anyone Links
      • Link Permissions SHOULD Be Set to Enabled Anyone Links to View
      • Windows and MacOS devices should be prevented from syncing the OneDrive Client on personal devices
      • Legacy Authentication SHALL Be Blocked
    • Intune
      • Personal Devices should be restricted from enrolling into the MDM solution
      • Devices shall be deleted that haven’t checked in for over 30 days
      • Devices compliance policies shall be configured for every supported device platform
      • Noncompliant devices shall be blocked from accessing corporate resources
      • MFA Shall be required for Intune Enrollment
      • Security Baselines should be configured for Windows Devices
      • Windows Update Rings shall be configured for Windows Devices
      • Update Policies shall be configured for Apple Devices
      • App Protection policies should be created for mobile devices
      • Mobile devices shall only be able to access corporate data through approved client apps
      • Lockout screen and password settings shall be configured for each device
      • Encryption shall be required on all devices
      • Windows Hello for Business should be configured where applicable
      • Authorized Applications should be deployed to managed devices
      • Device Use Shall be restricted until required applications are installed
      • Devices and Applications shall be wiped when a user leaves the organization or reports a lost/stolen
  • ⚙️Configurations
    • GDAP
      • My Automations Break with GDAP: The Fix!
      • Vendor Integrations Break with GDAP: The Fix!
      • Adding GDAP Relationships
      • Leveraging PIM with GDAP
      • GDAP Migration with Microsoft 365 Lighthouse
    • GoDaddy
      • Defederating GoDaddy 365
  • 🛡️CIS Controls
    • CIS Mapped to M365
  • 🔌Vendor Integrations
    • Pax8
      • Automating NCE subscription renewal notices
      • Leveraging the Pax8 API in Power Automate
    • IT Glue
      • Automating Intune Device Documentation in IT Glue
      • Automating Microsoft Documentation
    • Huntress
      • Leveraging the Huntress API in Power Automate
    • Syncro
      • Automating Microsoft 365 Documentation in Syncro
      • Custom Connector in Power Automate
      • Creating Tickets for Azure AD Risky Users
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  1. Security

Intune

PreviousLegacy Authentication SHALL Be BlockedNextPersonal Devices should be restricted from enrolling into the MDM solution

Last updated 1 year ago

Section Purpose: The security section shows recommend security controls for Teams based on the CIS Controls. Each control contains the following subsections:

  • Description

  • Policy Definition

  • Licensing Considerations

  • Set Up Instructions

  • End-User Impact

  • PowerShell Scripts

  • Video Tutorials

Policy
End-User Impact
License

Medium

Standard

Low

Standard

Medium

Standard

High

Azure AD P1

Medium

Azure AD P1

Medium

Standard

Medium

Standard

Medium

Standard

Medium

Standard

Medium

Azure AD P1

Medium

Standard

Low

Standard

Low

Standard

Low

Standard

Medium

Standard

None

Standard

🔐
Personal Devices should be restricted from enrolling into the MDM solution
Devices shall be deleted that haven’t checked in for over 30 days
Devices compliance policies shall be configured for every supported device platform
Noncompliant devices shall be blocked from accessing corporate resources
MFA Shall be required for Intune Enrollment
Security Baselines should be configured for Windows Devices
Windows Update Rings shall be configured for Windows Devices
Update Policies shall be configured for Apple Devices
App Protection policies should be created for mobile devices
Mobile devices shall only be able to access corporate data through approved client apps
Lockout screen and password settings shall be configured for each device
Encryption shall be required on all devices
Windows Hello for Business should be configured where applicable
Authorized Applications shall be configured for Single Sign-On
Device Use Shall be restricted until required applications are installed
Devices and Applications shall be wiped when a user leaves the organization or reports a lost/stolen