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-28-5d6350b49f8b34d5",
  "title": "Hacking the Supply Chain - The Ripple20 Vulnerabilities Haunt Hundreds of Millions of Critical Devices",
  "presenters": [

  ],
  "event": "DEF CON 28",
  "year": "2020",
  "source_url": "https://infocondb.org/con/def-con/def-con-28/hacking-the-supply-chain-the-ripple20-vulnerabilities-haunt-hundreds-of-millions-of-critical-devices",
  "source_kind": "Independent InfoconDB index",
  "source_file": "infocondb-def-con-28.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-28.html",
      "url": "https://infocondb.org/con/def-con/def-con-28/",
      "source_kind": "secondary independent index",
      "sha256": "cb54c60df16906ec5c53f8cec3065df9679fd5c68fd96dc6baa635f1d6fc4e3f",
      "checked": "2026-10-16T03:48:24Z"
    }
  ]
}