{
  "id": "apt33",
  "name": "APT33",
  "aliases": [
    "Peach Sandstorm",
    "Elfin",
    "HOLMIUM"
  ],
  "domain": "cyber",
  "country": "IRN",
  "category": "State-sponsored cyber threat group",
  "status": "active",
  "fielded": null,
  "operators": [
    "IRN"
  ],
  "summary": "Suspected Iranian threat group focused on aviation and energy organizations in the United States, Saudi Arabia and South Korea.",
  "specs": [
    {
      "k": "sponsor",
      "v": "Suspected Iranian threat group",
      "src": [
        "mitre-g0064"
      ],
      "conf": "medium"
    },
    {
      "k": "active_since",
      "v": 2013,
      "src": [
        "mitre-g0064"
      ],
      "conf": "medium",
      "note": "At least 2013"
    },
    {
      "k": "attack_id",
      "v": "G0064",
      "src": [
        "mitre-g0064"
      ],
      "conf": "high"
    },
    {
      "k": "targets",
      "v": "Organizations in the United States, Saudi Arabia and South Korea, with emphasis on aviation and energy",
      "src": [
        "mitre-g0064"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "cyber",
  "image": null,
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-05",
      "change": "Entry created from MITRE ATT&CK (group page version 2.0)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/apt33.html",
  "sources": {
    "mitre-g0064": {
      "title": "APT33, Group G0064",
      "publisher": "MITRE ATT&CK",
      "url": "https://attack.mitre.org/groups/G0064/",
      "published": "2026-07-31",
      "tier": 2,
      "checked": "2026-10-05"
    }
  }
}