QR code phishing ("quishing") — scan-this-QR + MFA/credential/renewal hook to bypass desktop URL scanners
qr-code-phishing
What this tier means
High-confidence threat indicator — phishing, impersonation, BEC, or scam pattern. Strong contributor to the trash decision.
How Gorganizer detects this
Body contains a QR code reference (explicit "scan this QR code" language, an image named qr/qrcode, or an img-tag alt attribute mentioning "QR code") combined with an account-security or subscription-renewal hook (verify identity, enroll MFA, sign in to account, password reset, renew subscription, claim refund). This is the 2024–2025 "quishing" attack pattern — the QR opens on the victim's phone, which bypasses the desktop browser's URL scanner and Safe Browsing database. Microsoft Defender reported QR-phishing volume up 400%+ in 2024, and the FBI IC3 has issued warnings. Legitimate MFA enrollment and subscription renewals never ask you to scan a QR code from an email — real MFA setup uses an authenticator app you already trust, and real subscription renewals link directly to the service's own sign-in page.
False-positive guard
Every signal in Gorganizer feeds a multi-module score — never a sole verdict. This is a threat-tier signal — it adds a strong contribution to the trash score. The full pipeline still requires convergence across multiple modules + a margin over the safety floor before deletion happens, and Gmail's trash (30-day recovery) is always used — never permanent delete.
About the scoring engine
Gorganizer's scoring engine emits over 1,800 signals across six modules — headers, sender, subject, body, attachments, and structural metadata. Every email is scored by every module independently; the final verdict requires multiple modules to agree and the trash score to beat the safety floor by a margin.
Sacred safety guards — never delete starred emails, replies, calendar invites, receipts/invoices, or attachments — apply unconditionally regardless of any signal.
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