CONFERENCE METADATA — incomplete historical coverage; source presence is not proof of delivery.
Research dataset: Lukas Walter, Clemens Sauerwein, Daniel Woods, InfoSec.pptx, https://doi.org/10.5281/zenodo.15989593, CC BY 4.0 https://creativecommons.org/licenses/by/4.0/. Changes: metadata extraction, exact-match reconciliation and uncertainty flags. No endorsement implied.

{
  "id": "defcon-index-27-b4a0426fd0e8ccd7",
  "title": "Breaking The Back End! It Is Not Always A Bug. Sometimes, It Is Just Bad Design!",
  "presenters": [

  ],
  "event": "DEF CON 27",
  "year": "2019",
  "source_url": "https://infocondb.org/con/def-con/def-con-27/breaking-the-back-end-it-is-not-always-a-bug-sometimes-it-is-just-bad-design",
  "source_kind": "Independent InfoconDB index",
  "source_file": "infocondb-def-con-27.html",
  "rights": "Metadata and source links only; abstracts, biographies, transcripts and media not republished",
  "delivery_status": "Not independently verified",
  "title_status": "source supplied",
  "presenter_status": "unknown in imported source",
  "media": [

  ],
  "provenance": [
    {
      "file": "infocondb-def-con-27.html",
      "url": "https://infocondb.org/con/def-con/def-con-27/",
      "source_kind": "secondary independent index",
      "sha256": "d7d41925369eee87b799632106b2ac7efbcaed6ab17ae9895221c48c193b7920",
      "checked": "2026-10-16T03:48:27Z"
    }
  ]
}