"2FA" meaning in All languages combined

{
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      "args": {
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      "expansion": "2FA (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "two-factor authentication"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computer security",
          "orig": "en:Computer security",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of two-factor authentication."
      ],
      "id": "en-2FA-en-noun-1kKQCCrt",
      "links": [
        [
          "computer security",
          "computer security"
        ],
        [
          "two-factor authentication",
          "two-factor authentication#English"
        ]
      ],
      "qualifier": "computer security",
      "raw_glosses": [
        "(computer security) Initialism of two-factor authentication."
      ],
      "related": [
        {
          "word": "U2F"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable"
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    }
  ],
  "word": "2FA"
}

{
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      "args": {
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      "expansion": "2FA (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "U2F"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "two-factor authentication"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
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        "en:Computer security"
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      "glosses": [
        "Initialism of two-factor authentication."
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      "links": [
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          "computer security",
          "computer security"
        ],
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          "two-factor authentication",
          "two-factor authentication#English"
        ]
      ],
      "qualifier": "computer security",
      "raw_glosses": [
        "(computer security) Initialism of two-factor authentication."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
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    }
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  "word": "2FA"
}