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Microsoft 365 Security and Compliance for Administrators

Microsoft 365 Security and Compliance for Administrators

By : Sasha Kranjac, Omar Kudović
5 (8)
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Microsoft 365 Security and Compliance for Administrators

Microsoft 365 Security and Compliance for Administrators

5 (8)
By: Sasha Kranjac, Omar Kudović

Overview of this book

In today's hostile cyber landscape, securing data and complying with regulations is paramount for individuals, businesses, and organizations alike. Learn how Microsoft 365 Security and Compliance offers powerful tools to protect sensitive data and defend against evolving cyber threats with this comprehensive guide for administrators. Starting with an introduction to Microsoft 365 plans and essential compliance and security features, this book delves into the role of Azure Active Directory in Microsoft 365, laying the groundwork for a robust security framework. You’ll then advance to exploring the complete range of Microsoft 365 Defender security products, their coverage, and unique protection services to combat evolving threats. From threat mitigation strategies to governance and compliance best practices, you’ll gain invaluable insights into classifying and protecting data while mastering crucial data lifecycle capabilities in Microsoft 365. By the end of this book, you’ll be able to elevate the security and compliance posture of your organization significantly.
Table of Contents (17 chapters)
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1
Part 1:Introduction to Microsoft 365
4
Part 2: Microsoft 365 Security
11
Part 3: Microsoft 365 Governance and Compliance

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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