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Windows Ransomware Detection and Protection

You're reading from   Windows Ransomware Detection and Protection Securing Windows endpoints, the cloud, and infrastructure using Microsoft Intune, Sentinel, and Defender

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Product type Paperback
Published in Mar 2023
Publisher Packt
ISBN-13 9781803246345
Length 290 pages
Edition 1st Edition
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Author (1):
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Marius Sandbu Marius Sandbu
Author Profile Icon Marius Sandbu
Marius Sandbu
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Table of Contents (16) Chapters Close

Preface 1. Part 1:Ransomware Basics
2. Chapter 1: Ransomware Attack Vectors and the Threat Landscape FREE CHAPTER 3. Chapter 2: Building a Secure Foundation 4. Part 2:Protect and Detect
5. Chapter 3: Security Monitoring Using Microsoft Sentinel and Defender 6. Chapter 4: Ransomware Countermeasures – Windows Endpoints, Identity, and SaaS 7. Chapter 5: Ransomware Countermeasures – Microsoft Azure Workloads 8. Chapter 6: Ransomware Countermeasures – Networking and Zero-Trust Access 9. Chapter 7: Protecting Information Using Azure Information Protection and Data Protection 10. Part 3:Assume Breach
11. Chapter 8: Ransomware Forensics 12. Chapter 9: Monitoring the Threat Landscape 13. Chapter 10: Best Practices for Protecting Windows from Ransomware Attacks 14. Index 15. Other Books You May Enjoy

Azure Backup

By default, when you set up a virtual machine in Azure, all data that is stored on it is automatically replicated three times within the same data center. This is also known as Local Redundant Storage (LRS) and this is to ensure the availability of the data.

If we were to get our machines infected with ransomware that encrypts our data in Azure, the replication mechanism would kick in and replicate that data three times as well. So, it is important to understand that this feature does not replace the need for a backup of the data.

In Azure, Microsoft provides a backup service that can back up virtual machine workloads and stores the data on a separate storage account. This storage account is only accessible from the backup service, and by default, backup data at rest is encrypted using Platform-Managed Keys (PMKs). In addition, this service also has soft delete mechanisms, which means that there is no way to purge/delete or overwrite the data that the service is...

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