Personal Firewall

{
  "id": "MLC-T-CYB-003095",
  "term": "Personal Firewall",
  "field": "Cybersecurity",
  "definition": "1. A software application residing on a client device that increases device security by offering some protection against unwanted network connections initiated by other hosts. Personal firewalls may be client managed or centrally managed.\n\n2. A software-based firewall installed on a desktop or laptop computer to monitor and control its incoming and outgoing network traffic.\n\n3. A utility on a computer that monitors network activity and blocks communications that are unauthorized.\n\n4. A software program that monitors communications between a PC and other computers and blocks communications that are unwanted.",
  "references": [
    "NIST SP 800-127 [Withdrawn]",
    "NIST SP 800-41 Rev. 1",
    "NIST SP 800-69 [Withdrawn]",
    "NIST SP 800-114 [Superseded]",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/personal-firewall/"
}