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Mastering Microsoft 365 Defender

You're reading from  Mastering Microsoft 365 Defender

Product type Book
Published in Jul 2023
Publisher Packt
ISBN-13 9781803241708
Pages 572 pages
Edition 1st Edition
Languages
Concepts
Authors (2):
Ru Campbell Ru Campbell
Profile icon Ru Campbell
LinkedIn
Ruairidh (Ru) Campbell is a Microsoft Security MVP and leads Microsoft consultancy at Threatscape. At Threatscape, Ru develops, delivers, and manages offerings and professional services for cybersecurity, compliance, identity, and management. In the cybersecurity community, Ru runs the Microsoft 365 Security & Compliance user group and his blog (campbell.scot), regularly speaks at other user groups and conferences, and contributes to well-known industry publications such as Practical 365. Ru holds 14 Microsoft certifications and a B.Sc. (Distinction) in computer networking from the University of the West of Scotland. Away from cybersecurity, he is a petrolhead who enjoys heavy metal and hiking around Scotland with his wife.
See other products by Ru Campbell
Viktor Hedberg Viktor Hedberg
Profile icon Viktor Hedberg
LinkedIn
Viktor Hedberg is a Microsoft Security MVP and senior consultant at Truesec. At Truesec, Viktor works with proactive security measures within the Microsoft sphere of technologies, by delivering workshops on best practices and by his deep technical expertise in these areas. In the cybersecurity community, Viktor runs his blogs at Truesec (Experts – viktor-hedberg). Alongside this, he is one of the hosts of the Swedish Windows Security user group, as well as a co-host of the Swedish podcast The Nerd Herd. He is a frequent speaker at both conferences and user groups around the world, focusing on matters of Microsoft Security. Viktor holds numerous Microsoft certifications, as well as being a Microsoft Certified Trainer. Away from cybersecurity, Viktor is a family man, spending most of his time with his wife and three kids, as well as enjoying football, both as a practitioner and as a fan. Heavy metal has been part of his life since his early teens.
See other products by Viktor Hedberg
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Table of Contents (33) Chapters

Preface 1. Part 1: Cyber Threats and Microsoft 365 Defender
2. Chapter 1: Microsoft and Modern Cybersecurity Threats 3. Chapter 2: Microsoft 365 Defender: The Big Picture 4. Part 2: Microsoft Defender for Endpoint
5. Chapter 3: The Fundamentals of Microsoft Defender for Endpoint 6. Chapter 4: Onboarding Windows Clients and Servers 7. Chapter 5: Getting Started with Microsoft Defender Antivirus for Windows 8. Chapter 6: Advanced Microsoft Defender Antivirus for Windows 9. Chapter 7: Managing Attack Surface Reduction for Windows 10. Chapter 8: Managing Additional Capabilities for Windows 11. Chapter 9: Onboarding and Managing macOS 12. Chapter 10: Onboarding and Managing Linux Servers 13. Chapter 11: Onboarding and Managing iOS and Android 14. Part 3: Microsoft Defender for Identity
15. Chapter 12: Deploying Microsoft Defender for Identity 16. Chapter 13: Managing Defender for Identity 17. Part 4: Microsoft Defender for Office 365
18. Chapter 14: Deploying Exchange Online Protection 19. Chapter 15: Deploying Defender for Office 365 20. Part 5: Microsoft Defender for Cloud Apps
21. Chapter 16: Implementing and Managing Microsoft Defender for Cloud Apps 22. Part 6: Proactive Security and Incident Response
23. Chapter 17: Maintaining Security Hygiene and Threat Awareness 24. Chapter 18: Extended Detection and Response with Microsoft 365 Defender 25. Chapter 19: Advanced Hunting with KQL 26. Chapter 20: Microsoft Sentinel Integration 27. Chapter 21: Understanding Microsoft 365 Defender APIs 28. Part 7: Glossary and Answers
29. Chapter 22: Glossary
30. Chapter 23: Answers 31. Index 32. Other Books You May Enjoy

Block at first sight

BAFS is one of the most visible ways cloud-delivered protection can be applied practically. Malicious executable files are a serious concern, and this includes non-portable ones such as Office macros. As of Windows 10 1803, an MDAV client with BAFS enabled will query the hash value of executables with mark of the web (MOTW) against the cloud protection service. If the file is new to the cloud telemetry dataset but may pose a risk, it is locked for up to 1 minute and a sample is uploaded (based on your tenant’s geography) for further analysis. If a verdict of malicious is returned before this timeout period, execution is blocked. Decisions are usually returned in milliseconds based on metadata, but the additional time allows for analysis at levels further along the processing chain.

What is MOTW?

Files downloaded from the internet (based on zones) are given a MOTW, contained in an NTFS stream, by Windows, if the downloading/extracting software supports...

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Authors (2)

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Profile icon Ru Campbell
LinkedIn
Ruairidh (Ru) Campbell is a Microsoft Security MVP and leads Microsoft consultancy at Threatscape. At Threatscape, Ru develops, delivers, and manages offerings and professional services for cybersecurity, compliance, identity, and management. In the cybersecurity community, Ru runs the Microsoft 365 Security & Compliance user group and his blog (campbell.scot), regularly speaks at other user groups and conferences, and contributes to well-known industry publications such as Practical 365. Ru holds 14 Microsoft certifications and a B.Sc. (Distinction) in computer networking from the University of the West of Scotland. Away from cybersecurity, he is a petrolhead who enjoys heavy metal and hiking around Scotland with his wife.
Read more
See other products by Ru Campbell
Profile icon Viktor Hedberg
LinkedIn
Viktor Hedberg is a Microsoft Security MVP and senior consultant at Truesec. At Truesec, Viktor works with proactive security measures within the Microsoft sphere of technologies, by delivering workshops on best practices and by his deep technical expertise in these areas. In the cybersecurity community, Viktor runs his blogs at Truesec (Experts – viktor-hedberg). Alongside this, he is one of the hosts of the Swedish Windows Security user group, as well as a co-host of the Swedish podcast The Nerd Herd. He is a frequent speaker at both conferences and user groups around the world, focusing on matters of Microsoft Security. Viktor holds numerous Microsoft certifications, as well as being a Microsoft Certified Trainer. Away from cybersecurity, Viktor is a family man, spending most of his time with his wife and three kids, as well as enjoying football, both as a practitioner and as a fan. Heavy metal has been part of his life since his early teens.
Read more
See other products by Viktor Hedberg
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