{
  "technique_id": "T1566",
  "d3fend_mappings": [
    {
      "id": "D3-SRA",
      "name": "Sender Reputation Analysis",
      "relationship": "detect",
      "practical_action": "Analyze sender reputation, SPF/DKIM/DMARC results, and message content for known phishing indicators.\n",
      "tooling": [
        "Defender for Office 365",
        "Sentinel"
      ]
    },
    {
      "id": "D3-UA",
      "name": "URL Analysis",
      "relationship": "detect",
      "practical_action": "Detonate and analyze embedded URLs for credential-harvesting or malware delivery.",
      "tooling": [
        "Defender for Office 365 Safe Links"
      ]
    },
    {
      "id": "D3-ER",
      "name": "Email Removal",
      "relationship": "evict",
      "practical_action": "Purge the message from every recipient mailbox once confirmed malicious.",
      "tooling": [
        "Defender for Office 365"
      ]
    },
    {
      "id": "D3-EF",
      "name": "Email Filtering",
      "relationship": "isolate",
      "practical_action": "Block the sender domain/URL tenant-wide once confirmed malicious.",
      "tooling": [
        "Defender for Office 365"
      ]
    }
  ]
}