Breaking the code: Multi-stage ‘code of conduct’ phishing campaign leads to AiTM token compromise

2026-05-04T20:52:24Zd980663474b1973b02d77a5569e81632ebd05b4ee938cd844a1ee2cf2d124a3e
Agent-365AiTMCAPTCHA-gated-phishingCVE-2026-31431Copy-FailMicrosoft-Defender-ResearchQR-code-phishingSentinel-UEBAcredential-theftdetectionemail-threatsexploit-in-the-wildkuberneteslinux-privilege-escalationphishingrisk-managementshadow-aitoken-compromise

What happened

Microsoft Security Blog reports a large-scale, multi-stage credential‑theft phishing campaign that used ‘code of conduct’ lures, legitimate email services, and fully authenticated messages from attacker-controlled domains to perform AiTM (adversary-in-the-middle) token compromise. The feed also highlights a high‑severity Linux vulnerability (CVE-2026-31431, “Copy Fail”) enabling root privilege escalation across cloud and Kubernetes workloads with exploits observed in the wild, Q1‑2026 email threat trends (rise in credential, QR code, and CAPTCHA‑gated phishing and disruption of the Tycoon2FA平台

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
microsoft_security_blog
Record identifier
d980663474b1973b02d77a5569e81632ebd05b4ee938cd844a1ee2cf2d124a3e
Enrichment time
2026-05-04T20:52:24Z
AI-assisted enrichment
Yes

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Record · Breaking the code: Multi-stage ‘code of conduct’ phishing campaign leads to AiTM token compromise · Baitaphish