Issue dossier
The DEF CON 27 visual uses Grand Idea Studio's official `dc27_bdg_img1.jpg` badge photo under the project page's Creative Commons Attribution 4.0 International design-license statement.
A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.
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image provenance upgrade · official page license and exact raster source · licensed original replacement applied
The public badge page, image archive, and API now point at a real upstream badge photo with source URL, license, attribution, and processing notes preserved.
- Badge
- DEF CON 27 Badge
- Category
- image provenance upgrade
- Severity
- note
- Confidence
- official page license and exact raster source
- Status
- licensed original replacement applied
- Timeframe
- current catalogue build
- Source note
- Grand Idea Studio DEFCON 27 Badge page, official image URL, and badge.gallery image policy.
article
Context article on Joe Grand's return, badge aesthetic, high-volume DEF CON context, and the official crystal-badge story.
Badge: DEF CON 27 Badge
guide
NXP guide documenting KL27/Kinetis hardware, programming setup, firmware source, schematics, tools, and hacking paths.
Badge: DEF CON 27 Badge
project page
Grand Idea Studio source for DEF CON 27 badge project files, firmware, fixtures, community resources, and NFMI/security-research links.
Badge: DEF CON 27 Badge
writeup
Independent technical writeup for KL27P64M48SF2, NXH2261UK NFMI, SWD/UART, firmware building, and chameleon firmware approach.
Badge: DEF CON 27 Badge
Ars Technica · retrieved 2026-05-15
Context source for Joe Grand's return to official DEF CON badge design, crystal-badge framing, and conference-scale badge culture.
Badge: DEF CON 27 Badge
Grand Idea Studio · retrieved 2026-05-15
Primary project source for official files, firmware, fixtures, linked hacking projects, NFMI security research, and badge-game framing.
Badge: DEF CON 27 Badge
Grand Idea Studio · retrieved 2026-05-15
Image-provenance source for the official DEF CON 27 badge photo published on the Grand Idea Studio project page; the page states that all designs are distributed under Creative Commons Attribution 4.0 International.
Badge: DEF CON 27 Badge
NXP Community · retrieved 2026-05-15
Primary technical guide for NXP KL27 hardware, programming workflow, firmware source, schematics, tools, and component details.
Badge: DEF CON 27 Badge
rhye.org · retrieved 2026-05-15
Technical writeup source for KL27P64M48SF2, NXH2261UK NFMI, badge-type byte behavior, UART/SWD paths, firmware build changes, and chameleon firmware.
Badge: DEF CON 27 Badge