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You're reading from  Mastering Microsoft 365 Defender

Product typeBook
Published inJul 2023
PublisherPackt
ISBN-139781803241708
Edition1st Edition
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Authors (2):
Ru Campbell
Ru Campbell
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Ru Campbell

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 about Ru Campbell

Viktor Hedberg
Viktor Hedberg
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Viktor Hedberg

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 about Viktor Hedberg

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Real-time response with device, file, and user actions

Earlier in this chapter, we explored responding to incidents. Let’s now explore, in more depth, some of the actions we can perform in the Microsoft 365 Defender portal. We can break these down into three response action types: device, file, and user.

Device response actions

To respond to investigations, incidents, and threats, an administrator can invoke the following types of response actions to an onboarded device from the Device page or any reference to a device in the investigation and alert interfaces. Let’s check out the full list before exploring the key ones in more detail:

  • Run Antivirus Scan
  • Collect Investigation Package
  • Restrict App Execution
  • Initiate Automated Investigation
  • Initiate Live Response Session
  • Isolate Device

There are others that are a bit more intuitive and, therefore, we’ll skip over them (such as Exclude and Report device inaccuracy), and you...

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Mastering Microsoft 365 Defender
Published in: Jul 2023Publisher: PacktISBN-13: 9781803241708

Authors (2)

author image
Ru Campbell

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 about Ru Campbell

author image
Viktor Hedberg

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 about Viktor Hedberg