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Microsoft 365 Security and Compliance for Administrators

You're reading from   Microsoft 365 Security and Compliance for Administrators A definitive guide to planning, implementing, and maintaining Microsoft 365 security posture

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Product type Paperback
Published in Mar 2024
Publisher Packt
ISBN-13 9781837638376
Length 432 pages
Edition 1st Edition
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Authors (2):
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Sasha Kranjac Sasha Kranjac
Author Profile Icon Sasha Kranjac
Sasha Kranjac
Omar Kudović Omar Kudović
Author Profile Icon Omar Kudović
Omar Kudović
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Toc

Table of Contents (17) Chapters Close

Preface 1. Part 1:Introduction to Microsoft 365 FREE CHAPTER
2. Chapter 1: Getting Started with Microsoft 365 Security and Compliance 3. Chapter 2: The Role of Microsoft Entra ID in Microsoft 365 Security 4. Part 2: Microsoft 365 Security
5. Chapter 3: Microsoft Defender for Office 365 6. Chapter 4: Microsoft Defender for Endpoint 7. Chapter 5: Getting Started with Microsoft Purview 8. Chapter 6: Microsoft Defender for Cloud Apps 9. Chapter 7: Microsoft Defender Vulnerability Management 10. Chapter 8: Microsoft Defender for Identity 11. Part 3: Microsoft 365 Governance and Compliance
12. Chapter 9: Microsoft Purview Insider Risk Management 13. Chapter 10: Microsoft Purview Information Protection 14. Chapter 11: Understanding the Lifecycle of Auditing and Records 15. Index 16. Other Books You May Enjoy

Getting started with Microsoft Defender for Office 365

Not so long ago, if the organization was planning to set up an Exchange Server instance on-premises, they had to plan for setting up both a proxy server and the additional protections for proper filtering of mail traffic. What has not changed with the transition to Exchange Online is that you still require adequately set-up DNS records for authentication of your mail system. The following are the records that you do still need to upload to Exchange Online at the level of your tenant:

  • MX records
  • SPF records
  • DKIM records
  • DMARC records

Depending on which type of Microsoft Defender for Office 365 plan you have (Plan 1 or Plan 2), there are different options for configuring policies and rules.

Plan 1 has a lot of different options, which can be useful when setting up protection for your mail traffic. The basic settings of Exchange Online Protection, in most cases, are not sufficient to satisfy all requirements...

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