"megabreach" meaning in English

{
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        "2": "mega",
        "3": "breach"
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      "expansion": "mega- + breach",
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  ],
  "etymology_text": "From mega- + breach.",
  "forms": [
    {
      "form": "megabreaches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "megabreach (plural megabreaches)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
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          "source": "w"
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          "parents": [],
          "source": "w"
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      ],
      "glosses": [
        "A very large-scale breach in security."
      ],
      "id": "en-megabreach-en-noun-~lRV12zx",
      "links": [
        [
          "large-scale",
          "large-scale"
        ],
        [
          "breach",
          "breach"
        ],
        [
          "security",
          "security"
        ]
      ],
      "raw_glosses": [
        "(informal, rare) A very large-scale breach in security."
      ],
      "tags": [
        "informal",
        "rare"
      ]
    }
  ],
  "word": "megabreach"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mega",
        "3": "breach"
      },
      "expansion": "mega- + breach",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mega- + breach.",
  "forms": [
    {
      "form": "megabreaches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "megabreach (plural megabreaches)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "A very large-scale breach in security."
      ],
      "links": [
        [
          "large-scale",
          "large-scale"
        ],
        [
          "breach",
          "breach"
        ],
        [
          "security",
          "security"
        ]
      ],
      "raw_glosses": [
        "(informal, rare) A very large-scale breach in security."
      ],
      "tags": [
        "informal",
        "rare"
      ]
    }
  ],
  "word": "megabreach"
}