intrusion

{
  "id": "MLC-T-CYB-002228",
  "term": "intrusion",
  "field": "Cybersecurity",
  "definition": "1. A security event, or a combination of multiple security events, that constitutes a security incident in which an intruder gains, or attempts to gain, access to a system or system resource without having authorization to do so.\n\n2. Unauthorized access to a Federal Government or critical infrastructure network, information system, or application.\n\n3. any set of actions that attempts to compromise the integrity, confidentiality, or availability of a resource",
  "synonyms": [
    "penetration"
  ],
  "references": [
    "CNSSI 4009-2022 from IETF RFC 4949 Ver 2",
    "CNSSI 4009-2022",
    "NIST SP 800-35",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/intrusion/"
}