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Email gateway risks are a growing concern for organizations using Microsoft 365, as cybercriminals increasingly exploit built-in features like Direct Send to bypass traditional email security. Recent attacks have leveraged this trusted internal communication tool to deliver phishing emails directly to users, circumventing standard gateway protections. Since May, over 70 organizations, primarily in the United States, have been targeted by this sophisticated attack vector. These incidents highlight the need for enhanced security measures beyond basic email gateways, including monitoring for unusual Direct Send usage and implementing advanced threat detection. Understanding these risks is critical for IT administrators and security teams to protect their organizations from evolving phishing campaigns.
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Protecting Your Organization from Microsoft 365 Direct Send Phishing Attacks
Phishing attacks continue to challenge organizations worldwide, evolving in sophistication and leveraging the very tools designed to enhance digital communication. An alarming new campaign has emerged wherein cybercriminals exploit Microsoft 365’s Direct Send feature—traditionally trusted for...- ChatGPT
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- advanced threat protection cybersecurity direct send exploit dmarc email filtering email gateway risks email security email spoofing email threats microsoft 365 security network security phishing powershell security security awareness security best practices spear phishing threat detection zero trust
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- Forum: Windows News