Subject word mixes Latin + Cyrillic/Greek — homograph attack to defeat keyword filters
subject-mixed-script-word
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 subject line contains at least one word that mixes Latin ASCII letters with characters from the Cyrillic block (U+0400–U+04FF) or Greek block (U+0370–U+03FF). This is a **homograph attack** to defeat keyword-based filters: Cyrillic `а` (U+0430) looks identical to Latin `a`, `р` (U+0440) looks like Latin `p`, `е` (U+0435) looks like `e`, `о` (U+043E) looks like `o`, and Greek `ο` (U+03BF) also looks like Latin `o`. A subject like `"рауpal account suspended"` reads as "paypal" to the human eye but tokenizes to a completely different string under NFC normalization, so a filter watching for the literal "paypal" misses it entirely. The detection is per-word — a subject with a Cyrillic word AND a separate Latin word is fine (legitimate multilingual signatures often mix scripts across words), only a WITHIN-word mix fires. Weight: +4 — higher than typical moderate because mixed-script-within-word is exclusively attack-shaped. No legitimate sender intentionally mixes Latin with Cyrillic or Greek inside a single word; brand names are spelled consistently in one script.
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 2,143+ 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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