- Uninstall Fireflies.ai
- Announcing our Microsoft 365 Newsletter
- The invasive Otter
- How to secure your network from OAuth permissions
- How am I subject to this zero-day? Let’s use Defender
- Setting up Defender for Business XDR in 45 minutes or less
- Peer groups and learning groups for 2024
- Conclusions from reading threat analyst reports
- Ransomware prevention, not defense
- Setup up automated investigation and response
- Avoid PlugX malware
- Disrupting Qakbot
- How to isolate a device using Defender
- Blocking malicious activity – too many email updates
- Error setting up Identities in Defender
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All it took was an email attachment policy, a little hardening of Microsoft Office and the configuration of the built-in anti-virus software
It was my pleasure to introduce peer groups to Third Tier. In 2024, we’re introducing focused learning groups for Defender, Intune, Public speaking and more
You will have now prevented misleadingly named apps, potentially malicious apps, apps with misleading publisher names, apps performing unusual amounts of file downloads, the addition of credentials to OAuth, and apps with a strange ISP for an OAuth.
The problem with OAuth apps is that they don’t ever fully uninstall themselves. The permissions are left there forever, even after you close the account, just waiting for a hacker to figure out how to exploit. In this blog I’ll show you what permissions are granted and how to remove them for M365 and Google users.
5 thoughts on “How to Defender”