Initial SOC memory POC implementation

evaluation/datasets/normalized_cases/CASE-2026-0003.json

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+{
+  "id": "CASE-2026-0003",
+  "memory_type": "case",
+  "scenario": "phishing",
+  "title": "Executive impersonation email requested urgent wire transfer",
+  "abstract": "An executive impersonation email targeted finance staff with an urgent wire transfer request from a lookalike domain.",
+  "verdict": "true_positive",
+  "severity": "high",
+  "entities": {
+    "users": [
+      "carol@corp.example"
+    ],
+    "hosts": [
+      "FIN-LAPTOP-08"
+    ],
+    "mailboxes": [
+      "carol@corp.example"
+    ]
+  },
+  "observables": {
+    "sender_emails": [
+      "ceo@c0rp-example.com"
+    ],
+    "domains": [
+      "c0rp-example.com"
+    ],
+    "urls": [],
+    "ips": [
+      "203.0.113.45"
+    ],
+    "hashes": []
+  },
+  "evidence": [
+    "Lookalike domain used numeric substitution.",
+    "Language pressure matched prior BEC pattern.",
+    "No historical communication from sender domain."
+  ],
+  "patterns": [
+    "verdict:true_positive",
+    "scenario:phishing",
+    "alert_type:mail_bec_impersonation"
+  ],
+  "related_refs": {
+    "playbooks": [
+      "PB-PHISH-001"
+    ],
+    "kb": [
+      "KB-CRED-HARVEST-PATTERNS"
+    ],
+    "cases": []
+  },
+  "source_path": "/home/tom/soc_memory_poc/evaluation/datasets/mock_cases/phishing/CASE-2026-0003.json",
+  "tags": [
+    "phishing",
+    "bec",
+    "executive-impersonation"
+  ]
+}