Fake browser login window embedded in email (BitB)
browser-in-browser-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
Email HTML contains 2+ indicators of a Browser-in-the-Browser (BitB) attack: CSS box-shadow (fake window shadow), password input fields, fake browser chrome (login phrases + border-radius), or popup overlay CSS (position:fixed/absolute + z-index). The attacker renders a fake browser login dialog inside the email that looks like a real browser popup, tricking users into entering credentials.
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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