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README.md

@@ -5,8 +5,6 @@ license: mit
 task_categories:
   - text-classification
   - token-classification
-  - zero-shot-classification
-  - tabular-classification
 tags:
   - security
   - insider-threat
@@ -43,12 +41,12 @@ types without access to ground truth labels.
 | Company                        | Apex Athletics                        |
 | Industry                       | sports technology                     |
 | Simulation days                | 51                                    |
-| Threat subjects                | 0                                     |
+| Threat subjects                | 3                                     |
 | DLP noise ratio                | 0.4                                   |
 | Log format                     | jsonl                                 |
 | Total observable records       | 2,904                                 |
-| True positive records          | 107                                   |
-| False positive (noise) records | 2,797                                 |
+| True positive records          | 106                                   |
+| False positive (noise) records | 2,798                                 |
 | Baseline (clean) records       | 3,930                                 |
 | Best leaderboard verdict F1    | 0.8 (us.anthropic.claude-opus-4-6-v1) |
 
@@ -129,16 +127,14 @@ telemetry files. Ground truth is used for scoring only.
 ### Behaviors present in ground truth
 
 | `unusual_hours_access` | 62 |
-
 | `sentiment_drift` | 27 |
 | `data_exfil_email` | 7 |
 | `host_data_hoarding` | 6 |
-| `social_engineering` | 5 |
+| `social_engineering` | 4 |
 
 ### Threat class distribution
 
-| `malicious` | 62 |
-
+| `malicious` | 61 |
 | `disgruntled` | 45 |
 
 ## Detection Scenarios

ground_truth/ground_truth-00000.parquet

@@ -1,3 +1,3 @@
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leaderboard/insider_threat_leaderboard.csv

@@ -1,4 +1,5 @@
 run_id,timestamp,model,tier,sim_days,subjects,triage_precision,triage_recall,triage_f1,baseline_fp_rate,onset_sensitivity,verdict_precision,verdict_recall,verdict_f1,vishing_detected,host_trail_reconstructed,tp_secret_in_commit,fp_secret_in_commit,tp_unusual_hours_access,fp_unusual_hours_access,tp_excessive_repo_cloning,fp_excessive_repo_cloning,tp_sentiment_drift,fp_sentiment_drift,tp_cross_dept_snooping,fp_cross_dept_snooping,tp_data_exfil_email,fp_data_exfil_email,tp_host_data_hoarding,fp_host_data_hoarding,tp_social_engineering,fp_social_engineering,tp_idp_anomaly,fp_idp_anomaly,negligent_tp,negligent_fp,negligent_fn,disgruntled_tp,disgruntled_fp,disgruntled_fn,malicious_tp,malicious_fp,malicious_fn
 us.anthropic.claude-opus-4-6-v1__20260320T162158,2026-03-20T21:28:59.745956+00:00,us.anthropic.claude-opus-4-6-v1,2,60,0,1.0,1.0,1.0,0.0,0.0,1.0,0.6667,0.8,True,True,,,2,0,,,2,0,0,1,1,0,1,0,1,0,0,2,,,,1,0,0,1,0,1
+mistral.devstral-2-123b__20260320T164955,2026-03-20T22:02:41.678038+00:00,mistral.devstral-2-123b,2,60,0,1.0,1.0,1.0,0.0,0.0,1.0,0.6667,0.8,True,True,,,2,0,,,2,0,,,1,0,1,0,1,0,0,2,,,,1,0,0,1,0,1
 us.anthropic.claude-haiku-4-5-20251001-v1_0__20260320T161516,2026-03-20T21:17:55.760859+00:00,us.anthropic.claude-haiku-4-5-20251001-v1:0,2,60,0,1.0,1.0,1.0,0.0,0.0,0.0,0.0,0.0,False,False,,,,,,,,,,,,,,,,,,,,,,0,0,1,0,0,2
 us.anthropic.claude-sonnet-4-6__20260320T162859,2026-03-20T21:33:56.505222+00:00,us.anthropic.claude-sonnet-4-6,2,60,0,1.0,1.0,1.0,0.0,0.0,0.0,0.0,0.0,False,False,,,,,,,,,,,,,,,,,,,,,,0,0,1,0,0,2

leaderboard/insider_threat_leaderboard.json

@@ -66,6 +66,69 @@
       }
     }
   },
+  {
+    "run_id": "mistral.devstral-2-123b__20260320T164955",
+    "timestamp": "2026-03-20T22:02:41.678038+00:00",
+    "model": "mistral.devstral-2-123b",
+    "tier": "2",
+    "sim_days": 60,
+    "subjects": 0,
+    "subject_classes": [],
+    "triage_precision": 1.0,
+    "triage_recall": 1.0,
+    "triage_f1": 1.0,
+    "triage_tp": 3,
+    "triage_fp": 0,
+    "triage_fn": 0,
+    "baseline_fp_rate": 0.0,
+    "onset_sensitivity": 0.0,
+    "verdict_precision": 1.0,
+    "verdict_recall": 0.6667,
+    "verdict_f1": 0.8,
+    "verdict_tp": 2,
+    "verdict_fp": 0,
+    "verdict_fn": 1,
+    "vishing_detected": true,
+    "host_trail_reconstructed": true,
+    "by_behavior": {
+      "unusual_hours_access": {
+        "tp": 2,
+        "fp": 0
+      },
+      "sentiment_drift": {
+        "tp": 2,
+        "fp": 0
+      },
+      "host_data_hoarding": {
+        "tp": 1,
+        "fp": 0
+      },
+      "data_exfil_email": {
+        "tp": 1,
+        "fp": 0
+      },
+      "social_engineering": {
+        "tp": 1,
+        "fp": 0
+      },
+      "idp_anomaly": {
+        "tp": 0,
+        "fp": 2
+      }
+    },
+    "by_class": {
+      "malicious": {
+        "tp": 1,
+        "fp": 0,
+        "fn": 1
+      },
+      "disgruntled": {
+        "tp": 1,
+        "fp": 0,
+        "fn": 0
+      }
+    }
+  },
   {
     "run_id": "us.anthropic.claude-haiku-4-5-20251001-v1_0__20260320T161516",
     "timestamp": "2026-03-20T21:17:55.760859+00:00",

telemetry/access_log-00000.parquet

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telemetry/baseline_telemetry-00000.parquet

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telemetry/host_events-00000.parquet

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telemetry/idp_auth-00000.parquet

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