Sunday, 18 November 2018

Securing SharePoint O365

Microsoft outline how they treat access to your company data, how your data is kept secure and audit and availability, read this post.  The information below notes possible settings and configuration to secure 0365.

Azure AD is the key, ensure auth is 100%.  e.g. MFA for some or all accounts.  Use the "Identity Secure Score" to check possible problems.  Consider Microsoft Authenticator for MFA.

O365 Settings use:
  1. Secure Score - Overview of my tenant settings and how they should be set.  Check my tenant again set MS best practices for O365. 
  2. Validate setting meet governance and are not merely defaults.
  3. Review SPO audit logs - ensure it is turned on (default is to have it turned off).
  4. Security and Compliance Dashboard - Good email checker/analysis.  Low value for SPO.
Cloud App Security (CAS) - service looks for security on O365 tenants, improving constantly.  CAS Overview.  Add-on or included in E5 plans.

Office 365 Advanced Threat Protection (ATP) - service to identify threats.  "ATP analyzes content that's shared and applies threat intelligence and analysis to identify sophisticated threats.", Microsoft.

To manage document use IRM on SPO and AIP on documents.

"Azure Active Directory Identity Protection is a feature of the Azure AD Premium P2 edition that enables you to 1) Detect potential vulnerabilities affecting your organization’s identities 2)
Configure automated responses to detected suspicious actions that are related to your organization’s identities 3) Investigate suspicious incidents and take appropriate action to resolve them".  More info.


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