{
 "id": "AIR-2020-0031",
 "slug": "bypassing-cylance-ai-malware-detection-via-universal-string",
 "title": "Bypassing Cylance AI Malware Detection via Universal String",
 "summary": "Researchers created a universal bypass string appended to malicious files to evade detection by Cylance's AI malware detector. This was a research exercise demonstrating vulnerability in commercial security software.",
 "type": "attack_on_ai",
 "categories": [
  "adversarial_evasion"
 ],
 "severity": 1,
 "targets": [
  "enterprise_deployment"
 ],
 "products": [
  "CylancePROTECT",
  "Cylance Smart Antivirus"
 ],
 "incident_date": "2019-09-07",
 "incident_date_precision": "day",
 "first_reported": "2020-12-03",
 "sources": [
  {
   "url": "https://atlas.mitre.org/studies/AML.CS0003",
   "publisher": "MITRE ATLAS",
   "title": "Bypassing Cylance's AI Malware Detection",
   "published_at": "2020-12-03"
  },
  {
   "url": "https://skylightcyber.com/2019/07/18/cylance-i-kill-you",
   "publisher": "skylightcyber.com",
   "title": "Skylight Cyber Blog Post, \"Cylance, I Kill You!\"",
   "published_at": "2020-12-03"
  },
  {
   "url": "https://security7.net/news/the-new-cylance-vulnerability-what-you-need-to-know",
   "publisher": "security7.net",
   "title": "Statements from Skylight Cyber CEO",
   "published_at": "2020-12-03"
  }
 ],
 "source_count": 3,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_atlas",
 "tags": [
  "adversarial-evasion",
  "malware-detection",
  "cylance"
 ],
 "created_at": "2026-10-18T06:55:08.239Z",
 "updated_at": "2026-10-18T06:55:08.239Z"
}