Outlook Quarantine

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Understanding Quarantine Policies in Microsoft Defender for Office 365

In today’s digital landscape, email security is paramount. Microsoft Defender for Office 365 offers robust protection through its quarantine policies, ensuring that potentially harmful or unwanted messages are effectively managed. Here’s a closer look at how these policies work and what they mean for users.

What is Quarantine in Microsoft Defender for Office 365?

Quarantine is a feature in Exchange Online Protection (EOP) and Microsoft Defender for Office 365 that holds emails identified as potentially dangerous or unwanted. This includes messages flagged as malware, high-confidence phishing attempts, or those caught by mail flow rules (also known as transport rules).

Key Features of Quarantine Policies

  1. User Experience: Quarantine policies define what actions users can take on their quarantined messages. Depending on the policy settings, users might be able to release, delete, or request a review of their quarantined emails.
  2. Daily Reports: Users receive daily quarantine reports summarizing the emails held in quarantine. This allows them to quickly identify and act on any legitimate emails that may have been mistakenly flagged.

Benefits of Quarantine Policies

  • Enhanced Security: By holding potentially harmful emails, quarantine policies add an extra layer of security, protecting users from phishing attacks, malware, and other threats.
  • User Empowerment: Users can manage their own quarantined messages within the limits set by administrators, giving them more control over their email experience.

Quarantine policies in Microsoft Defender for Office 365 are a critical component of email security. They provide a balanced approach, combining administrative control with user empowerment, to protect against a wide range of email threats. By understanding and utilizing these policies, organizations can significantly enhance their email security posture.

Stay safe and have a hauntingly happy Halloween!

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