POP

{
  "id": "MLC-T-CYB-003187",
  "term": "POP",
  "field": "Cybersecurity",
  "definition": "1. A mailbox access protocol defined by IETF RFC 1939. POP is one of the most commonly used mailbox access protocols.\n\n2. A verification process whereby assurance is obtained that the owner of a key pair actually has the private key associated with the public key.\n\n3. A standard protocol used to receive electronic mail from a server.",
  "expansions": [
    "Point of Presence",
    "Post Office Protocol",
    "Proof of Possession",
    "Proof of possession (POP)"
  ],
  "references": [
    "NIST SP 1800-16D from NIST SP 800-45 Version 2",
    "NIST SP 800-57 Part 1 Rev. 4 [Superseded]; NIST SP 800-57 Part 1 Rev. 5; NIST SP 800-57 Part 1 Rev. 3 [Superseded]",
    "NISTIR 7250; NISTIR 7387",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/pop/"
}