{"product_id":"screen-vendor-bank-change-requests-with-groq-dns-data-tables","title":"Screen Vendor Bank Change Requests with Groq, DNS \u0026 Data Tables","description":"\u003ch3\u003eScreen vendor bank change requests in minutes—using Groq, DNS (MX), and verified data tables\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow captures vendor payment-change requests, checks them against your verified vendor bank register, validates sender-domain DNS and email tactics with \u003cstrong\u003eGroq\u003c\/strong\u003e, and outputs a clear \u003cstrong\u003ePASS \/ REVIEW \/ BLOCK\u003c\/strong\u003e verdict—while logging every assessment to an \u003cstrong\u003en8n Data Table\u003c\/strong\u003e audit trail.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCollects request details\u003c\/strong\u003e via an n8n \u003cstrong\u003eForm\u003c\/strong\u003e trigger (sender details, email subject\/body, and the claimed IBAN).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoads fraud thresholds\u003c\/strong\u003e and retrieves your \u003cstrong\u003everified vendor bank register\u003c\/strong\u003e from an n8n Data Table.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScores deterministic fraud signals\u003c\/strong\u003e by matching sender domain\/address to the register, validating \u003cstrong\u003eIBAN formatting\/checksum\u003c\/strong\u003e, and flagging mismatches (e.g., lookalike domains, \u003cem\u003eReply-To\u003c\/em\u003e differences, unauthorized senders, or changed bank details).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValidates DNS credibility\u003c\/strong\u003e by querying \u003cstrong\u003eGoogle DNS over HTTP\u003c\/strong\u003e to check whether the sender domain publishes \u003cstrong\u003eMX records\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalyzes social-engineering pressure\u003c\/strong\u003e using a \u003cstrong\u003eGroq\u003c\/strong\u003e chat model to produce a structured pressure score and observed tactics from the email subject\/body.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCombines signals into a final verdict\u003c\/strong\u003e (risk score → \u003cstrong\u003ePASS \/ REVIEW \/ BLOCK\u003c\/strong\u003e) with recommended next steps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudits everything\u003c\/strong\u003e by writing the full report to an \u003cstrong\u003en8n Data Table\u003c\/strong\u003e and showing a completion page for hold\/callback verification or success.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStop business email compromise (BEC) bank-detail change fraud by enforcing vendor verification before payments are updated.\u003c\/li\u003e\n  \u003cli\u003eRoute suspicious requests to manual review when sender identity, IBAN, or email tactics don’t match your register.\u003c\/li\u003e\n  \u003cli\u003eCreate an evidence-backed audit log for compliance and incident response.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNodes\/blocks:\u003c\/strong\u003e if, set, code, form, data table, sticky note\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal checks:\u003c\/strong\u003e Google DNS over HTTP for MX records; \u003cstrong\u003eGroq\u003c\/strong\u003e for subject\/body pressure-tactic analysis\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e structured pressure score, combined risk score, and \u003cstrong\u003ePASS\/REVIEW\/BLOCK\u003c\/strong\u003e verdict with next steps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45869875364019,"sku":"N8N-18454","price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/jNGz7Ds71BWpN6aQ7d5St_eFtrLM1j.png?v=1787130093","url":"https:\/\/buyflowscripts.com\/products\/screen-vendor-bank-change-requests-with-groq-dns-data-tables","provider":"N8N Commerce","version":"1.0","type":"link"}