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ThreatSender / domain

From display name mixes Latin with Cyrillic/Greek (homograph)

display-name-mixed-script

What this tier means

High-confidence threat indicator — phishing, impersonation, BEC, or scam pattern. Strong contributor to the trash decision.

How Gorganizer detects this

The From display name contains BOTH an ASCII Latin letter AND a Cyrillic or Greek letter — e.g. `"Pаypal Support"` where the `а` is Cyrillic U+0430. The user reads "Paypal Support" in the inbox From column and trusts it, but the brand-keyword check (`display-name-spoof:paypal`) doesn't fire because its substring match looks for literal ASCII "paypal". Same confusable-letter vector as attachment-filename and subject-word homographs, but specifically for the display name — the most visible element in the inbox list. A pure-Cyrillic display name from a Russian sender does NOT fire because it has no ASCII letters mixed in. Weighted at +5 — high-confidence deception with zero legitimate-use (no person or business chooses a display name that mixes scripts).

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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