"warrant canary" meaning in English

{
  "etymology_text": "Allusion to a miner's canary.",
  "forms": [
    {
      "form": "warrant canaries",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "warrant canary (plural warrant canaries)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Law",
          "orig": "en:Law",
          "parents": [
            "Justice",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012 July 9, Markus Jakobsson, editors, The Death of the Internet, Hoboken, NJ: John Wiley & Sons, →ISBN, page 159:",
          "text": "However, it may be possible, via a warrant canary or a similar technique, for a CA to communicate the existence of a secret court order to the Internet community.",
          "type": "quote"
        },
        {
          "ref": "2014 May 30, Alex Hern, “Encryption software TrueCrypt closes doors in odd circumstances”, in The Guardian, →ISSN:",
          "text": "Warrant canaries are legal tricks employed by conscientious organisations to get around the fact that certain demands from the US government cannot be disclosed publicly.",
          "type": "quote"
        },
        {
          "ref": "2014 July 25, Jacob Long, “Exclusive: Private Internet Access talks warrants, canaries, transparency”, in Geeksided, archived from the original on 2014-08-03:",
          "text": "A warrant canary is a defense against the gag orders that come with National Security Letters and other secret subpoenas. With a warrant canary, the site would some sort of message posted saying, for example, “we have not received a secret subpoena as of July 24, 2014.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "A public notice that a service provider has not received a secret government subpoena for their customers' data that they would be prohibited from saying they had received."
      ],
      "id": "en-warrant_canary-en-noun-g6cjkaEi",
      "links": [
        [
          "subpoena",
          "subpoena"
        ]
      ],
      "raw_glosses": [
        "(US) A public notice that a service provider has not received a secret government subpoena for their customers' data that they would be prohibited from saying they had received."
      ],
      "tags": [
        "US"
      ],
      "wikipedia": [
        "warrant canary"
      ]
    }
  ],
  "word": "warrant canary"
}

{
  "etymology_text": "Allusion to a miner's canary.",
  "forms": [
    {
      "form": "warrant canaries",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "warrant canary (plural warrant canaries)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Law"
      ],
      "examples": [
        {
          "ref": "2012 July 9, Markus Jakobsson, editors, The Death of the Internet, Hoboken, NJ: John Wiley & Sons, →ISBN, page 159:",
          "text": "However, it may be possible, via a warrant canary or a similar technique, for a CA to communicate the existence of a secret court order to the Internet community.",
          "type": "quote"
        },
        {
          "ref": "2014 May 30, Alex Hern, “Encryption software TrueCrypt closes doors in odd circumstances”, in The Guardian, →ISSN:",
          "text": "Warrant canaries are legal tricks employed by conscientious organisations to get around the fact that certain demands from the US government cannot be disclosed publicly.",
          "type": "quote"
        },
        {
          "ref": "2014 July 25, Jacob Long, “Exclusive: Private Internet Access talks warrants, canaries, transparency”, in Geeksided, archived from the original on 2014-08-03:",
          "text": "A warrant canary is a defense against the gag orders that come with National Security Letters and other secret subpoenas. With a warrant canary, the site would some sort of message posted saying, for example, “we have not received a secret subpoena as of July 24, 2014.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "A public notice that a service provider has not received a secret government subpoena for their customers' data that they would be prohibited from saying they had received."
      ],
      "links": [
        [
          "subpoena",
          "subpoena"
        ]
      ],
      "raw_glosses": [
        "(US) A public notice that a service provider has not received a secret government subpoena for their customers' data that they would be prohibited from saying they had received."
      ],
      "tags": [
        "US"
      ],
      "wikipedia": [
        "warrant canary"
      ]
    }
  ],
  "word": "warrant canary"
}