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+# Threat Scoring & Verdict Logic Proposal
+
+## 1. Inputs
+
+The system aggregates results from multiple threat intelligence providers. Each input includes:
+
+- **Provider Name:** Name of the threat intelligence source (e.g., VirusTotal, HybridAnalysis, Internal Sandbox).  
+- **Provider Confidence / Flags:** Each provider may flag an IOC (Indicator of Compromise) as `benign`, `suspicious`, or `malicious`, often with a numeric confidence score (0–100).  
+- **Missing / Failed Responses:** If a provider fails or times out, its result is ignored, but logged for auditing.
+
+---
+
+## 2. Scoring Logic
+
+1. **Provider Contribution:**  
+   Each provider contributes a numeric score to the final calculation:  
+benign = 0
+suspicious = 50
+malicious = 100
+2. **Weighting Providers:**  
+Providers may have different reliability. Example weights:  
+VirusTotal: 0.4
+HybridAnalysis: 0.3
+Internal Sandbox: 0.3
+
+3. **Calculating Final Score:**  
+Weighted average formula:  
+final_score = (score1weight1 + score2weight2 + ...) / total_weights
+
+4. **Handling Conflicting Results:**  
+- If providers disagree, the weighted average balances the influence of each provider.  
+- Extreme malicious signals from a highly reliable provider may increase the final score.  
+
+---
+
+## 3. Verdict Thresholds
+
+| Score Range | Verdict       |
+|------------|---------------|
+| 0 – 20     | Benign        |
+| 21 – 70    | Suspicious    |
+| 71 – 100   | Malicious     |
+
+---
+
+## 4. Examples
+
+1. **Scenario 1 – All benign**  
+- Inputs: `[VirusTotal: benign, HybridAnalysis: benign, Sandbox: benign]`  
+- Score: `0`  
+- Verdict: **Benign**
+
+2. **Scenario 2 – Mixed results**  
+- Inputs: `[VirusTotal: malicious (90), HybridAnalysis: benign (0), Sandbox: suspicious (50)]`  
+- Weighted score: `(90*0.4 + 0*0.3 + 50*0.3)/1 = 47`  
+- Verdict: **Suspicious**
+
+3. **Scenario 3 – Single provider responds**  
+- Inputs: `[VirusTotal: malicious (95), HybridAnalysis: timeout, Sandbox: timeout]`  
+- Score: `95`  
+- Verdict: **Malicious**
+
+---
+
+## 5. Edge Cases
+
+- **Single Provider Available:** Use its score directly, weight = 1.  
+- **All Providers Timeout:** Verdict = `Unknown`, requires human review.  
+- **Mixed Signals:** Use weighted average; if variance > 50, flag for review.  
+
+---
+
+### Notes
+
+- Model is **extensible**: new providers can be added with assigned weights.  
+- Thresholds and weights can be adjusted based on provider reliability and historical accuracy.  
+- Focus is on **clarity, auditability, and logical consistency**.