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The Sender Domain You Never Audit Is Your Own

ID: 9e105052-71aa-57cb-bde1-1bd7992c3bdc

STIX ID: report--9e105052-71aa-57cb-bde1-1bd7992c3bdc

Feed Name: IRONSCALES

Threat Score
70/100

Date Published: 2026-10-04

Date Updated: 2026-10-15

Author: [email protected] (Audian Paxson)

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A high-severity QR-code credential-phishing campaign targeted a UK property consultancy by sending self-addressed spoofed emails whose top-level MIME entity was a Word attachment containing QR codes that resolved to a credential-harvesting path; authentication (SPF/DKIM/DMARC) recorded failures yet messages reached mailboxes and the attack rotated across multiple employee addresses, defeating sender-based blocking and content/reputation controls.

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