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Home » How to Defender
Defender

How to Defender

by amy|3 comments
  • unrecognizable black colleagues browsing laptop at table with face mask
    Avoid PlugX malware
  • man raising his right arm
    Disrupting Qakbot
  • person wearing white pants and white socks standing beside brown broom
    How to isolate a device using Defender
  • photo of yellow and blue macaw with one wing open perched on a wooden stick
    Blocking malicious activity – too many email updates
  • a man in red shirt covering his face
    Error setting up Identities in Defender
  • How to Defender
  • rock formation
    Prerequisites of settings for Defender
  • focus photo of yellow paper near trash can
    Blocking Fileless malware
  • Defender
  • Microsoft 365

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unrecognizable black colleagues browsing laptop at table with face mask

Avoid PlugX malware

Once these two items have been set the ability of PlugX to take advantage of innocent people should be thwarted.

focus photo of yellow paper near trash can

Blocking Fileless malware

It’s an Attack Surface Reduction rule and it is exploited in the wild, so it’s import to close up this vulnerability to fileless attacks.

photo of yellow and blue macaw with one wing open perched on a wooden stick

Blocking malicious activity – too many email updates

I often get asked how we manage networks without an RMM tool and I always reply that we take full advantage and make use of what Microsoft has to offer. This type of rule is an example of that philosophy.

a man in red shirt covering his face

Error setting up Identities in Defender

To resolve this error, you need to remove three security groups from Azure AD. These groups were created by default in your tenant but have since been deprecated by Defender.

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3 thoughts on “How to Defender”

  • 3 pingbacks
  • 1[…] See more posts about Defender […] - Error setting up Identities in Defender – Ultimate Support for IT Pros – ThirdTier
  • 2[…] If you’d like to read more about configuring Defender we’ve consolidated them for you here […] - How to isolate a device using Defender – Ultimate Support for IT Pros – ThirdTier
  • 3[…] If you’d like to read more about configuring Defender we’ve consolidated them for you here […] - Disrupting Qakbot – Ultimate Support for IT Pros – ThirdTier

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