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Microsoft 365 Direct Send Abuse: When Trusted Infrastructure Turns Malicious

Discover how attackers abuse Microsoft Direct Send to bypass secure email gateways and learn how behavioral AI stops advanced threats automatically.

重要なインサイト

Attackers abuse Microsoft Direct Send to bypass secure email gateways without needing stolen credentials.

QR codes and CAPTCHAs are used to conceal malicious payloads delivered via trusted Microsoft infrastructure.

Legacy secure email gateways cannot detect Direct Send abuse, leaving organizations exposed to inbox-level threats.

Behavioral AI can detect and auto-remediate Direct Send attacks that traditional email defenses miss.

Security teams are under siege.

Attackers are abusing Microsoft Direct Send to bypass secure email gateways and deliver QR code and CAPTCHA-hidden payloads straight to inboxes—no stolen credentials required. Legacy tools can’t keep up, leaving organizations exposed.

In this ThreatStream webinar, Abnormal experts break down real Direct Send attacks, show how adversaries exploit trusted infrastructure, and demonstrate how behavioral AI detects and remediates threats missed by SEGs.

Watch the on-demand webinar to learn:

  • What Direct Send abuse is—and why it evades traditional defenses
  • How attackers weaponize QR codes, CAPTCHAs, and lookalike domains
  • How Abnormal’s behavioral AI stops these attacks automatically

Earn ISC2 CPE (1 credit)

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See Abnormal in Action

See how behavioral AI detects the attacks that legacy defenses miss.

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