No link. No attachment. No malware to detonate. Just a plausible request from a name your finance team already trusts. There is nothing for a scanner to scan.
All three pass SPF, DKIM and DMARC. Authentication proves who sent a message. It has never proven whether they should be trusted.
A request that reads exactly like the person it claims to come from: the right tone, the right urgency, the right authority, and a payment instruction. Nothing technical to flag.
A genuine supplier thread with one changed bank detail. The domain authenticates correctly because it really is theirs. The only anomaly is the intent.
Mail sent from inside your own tenant by a legitimate account someone else is now using. Perimeter filtering never inspects internal mail at all.
We do not ask whether a message matches a known attack. We ask what it is trying to make someone do, and whether that makes sense from this sender, in this thread, at this moment.
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Book a 15-min demo →Hi Alex,
Payment for Q3 invoice #4417 cleared on our side this morning — thank you for the quick turnaround.
A stamped copy is attached for your records. No changes to our remittance details; everything stays as it has for the last three years.
Best,
Dana Reeves · Accounts Receivable, Acme Logistics