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    Protecting Microsoft 365 from Internal Phishing via Direct Send Exploits

    Threat actors are increasingly exploiting Microsoft 365’s Direct Send feature to conduct highly convincing internal phishing campaigns, eroding trust within organizations and challenging the efficacy of traditional security defenses. This emergent attack vector, recently highlighted by...
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    • attack vectors business email compromise cloud email threats cloud infrastructure cloud security cyber attack methods cyber threats cybersecurity cybersecurity threats direct send email authentication email security email security tools email spoofing incident response internal phishing it security legacy systems microsoft 365 security network security phishing attacks phishing campaigns phishing mitigation relay exploitation relay server security security awareness security best practices smtp relay security spoofing detection supply chain security threat detection zero trust
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    • Forum: Windows News
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