{
  "id": "silence",
  "name": "Silence",
  "aliases": [
    "Whisper Spider"
  ],
  "domain": "cyber",
  "country": "UNK",
  "category": "Cybercriminal group",
  "status": "tracked",
  "fielded": null,
  "operators": [],
  "summary": "Silence is a financially motivated threat actor targeting financial institutions in different countries. The group was first seen in June 2016.",
  "specs": [
    {
      "k": "sponsor",
      "v": "Financially motivated group",
      "src": [
        "mitre-g0091"
      ],
      "conf": "medium"
    },
    {
      "k": "attack_id",
      "v": "G0091",
      "src": [
        "mitre-g0091"
      ],
      "conf": "high"
    },
    {
      "k": "targets",
      "v": "Silence is a financially motivated threat actor targeting financial institutions in different countries.",
      "src": [
        "mitre-g0091"
      ],
      "conf": "medium"
    },
    {
      "k": "techniques_count",
      "v": 28,
      "src": [
        "mitre-g0091"
      ],
      "conf": "high",
      "note": "ATT&CK v20.1"
    },
    {
      "k": "software",
      "v": "Empire, SDelete, Winexe",
      "src": [
        "mitre-g0091"
      ],
      "conf": "high",
      "note": "3 malware and tool entries linked in ATT&CK"
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "cyber",
  "image": null,
  "verified": null,
  "notes": "Silence is a financially motivated threat actor targeting financial institutions in different countries. The group was first seen in June 2016. Their main targets reside in Russia, Ukraine, Belarus, Azerbaijan, Poland and Kazakhstan. They compromised various banking systems, including the Russian Central Bank's Automated Workstation Client, ATMs, and card processing. Description adapted from MITRE ATT&CK®, © The MITRE Corporation, used under the ATT&CK Terms of Use.",
  "changelog": [
    {
      "date": "2026-11-08",
      "change": "Entry created from MITRE ATT&CK Enterprise v20.1 (group G0091)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/silence.html",
  "sources": {
    "mitre-g0091": {
      "title": "Silence, Group G0091",
      "publisher": "MITRE ATT&CK",
      "url": "https://attack.mitre.org/groups/G0091/",
      "published": "2026-07-31",
      "tier": 2,
      "checked": "2026-11-08"
    }
  }
}