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Embracing the future: UM transitions from IronPort to Microsoft Defender email security

Microsoft Defender provides enhanced cybersecurity for phishing and malware

January 26, 2024 — 

In an era where cyber threats have become increasingly common, it is more crucial than ever to ensure that our digital defense systems are not only robust but also agile and intuitive. With this in mind, we are excited to announce a significant upgrade to our security infrastructure at the University of Manitoba.

We are bidding farewell to our trusted IronPort email quarantine system and embracing the state-of-the-art Microsoft Defender email security service. This move is a significant leap forward in our commitment to safeguarding our digital ecosystem. Microsoft Defender goes beyond virus detection; it provides a comprehensive shield to protect against the ever-evolving landscape of cyber threats. Its proactive

threat detection, intelligent learning algorithms, and seamless integration with other Microsoft products set it apart from the competition.

Junk Email

Your Outlook Junk Email folder is now the main location of spam and solicited bulk email messages that are not identified as malicious by MS Defender. Check your Junk Email folder weekly to ensure you are receiving all the messages you expect. You can also adjust your Junk Email settings in Outlook to fit your preferences and needs.

Microsoft Defender Quarantine

All UM community members with a Microsoft email account will receive email from Microsoft 365 Security ( notifying them of incoming messages that have been marked as malicious. Review these messages regularly, as the quarantine may be blocking email that you were expecting to receive. You may review any messages being held in quarantine at any time by going to

For more information and details about Microsoft Defender email security, please visit Email security on the IST website.

Please do not hesitate to contact the IST Service Desk at 204-474-8600 with any questions or concerns.

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