smart host vulnerabilities

  1. Securing Microsoft 365 Against Phishing Exploiting Direct Send Vulnerability

    A sophisticated phishing campaign has been exploiting Microsoft 365's Direct Send feature, targeting over 70 organizations across various sectors in the United States since May 2025. This attack underscores the evolving tactics of cybercriminals and highlights the need for organizations to...
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    • attack mitigation cyber defense cybersecurity threats direct send exploit email authentication email filtering email security email spoofing microsoft 365 security office 365 security phishing attacks phishing prevention qr code phishing risk management security awareness security best practices smart host vulnerabilities spf dkim dmarc threat intelligence zero trust security
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    • Forum: Windows News