Category Archives: defcon 27

Pictorial Guide to the Unofficial Electronic Badges of DEF CON 27

DEF CON has become the de facto showplace of the #Badgelife movement. It’s a pageant for clever tricks that transform traditional green rectangular circuit boards into something beautiful, unique, and often times hacky.

Today I’ve gathered up about three dozen badge designs seen at DC27. It’s a hint of what …read more

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Posted in badgelife, conference badges, cons, DEF CON, defcon 27, Hackaday Columns, unofficial | Leave a comment

New Bluetooth 5 Channel Hopping Reverse Engineered for Jamming and Hijacking

Bluetooth Low Energy (BLE) 5 has been around since 2016 with the most recent version 5.2 published just this year. There’s not much hardware out there that’s using the new hotness. That didn’t stop [Damien Cauquil] from picking apart BLE 5’s new frequency hopping techniques and updating his BtleJack tool …read more

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Posted in ble, bluetooth, bluetooth low energy, BtleJack, channel hopping, cons, CSA #2, DEF CON, defcon 27, security hacks, wireless hacks | Leave a comment

Bots That Snag the Hottest Fashion While Breaking Social Trust in Commerce

Scarcity on the Internet is the siren song of bot writers. Maybe you’ve lost an eBay bid in the last milliseconds, or missed out on a hacker con when tickets sold out in under a minute — your corporeal self has been outperformed by a bot. But maybe you didn’t …read more

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Posted in bot, botnet, bots, cons, DEF CON, defcon 27, hype, reseller | Leave a comment

DEF CON 27: The Badge Talk; or That One Time Joe Grand Sourced 30,000 Gemstones

Yesterday we published a first look at the hardware found on the DEF CON 27 badge. Sporting a magnetically coupled wireless communications scheme rather than an RF-based one, and an interesting way to attach the lanyard both caught my attention right away. But the gemstone faceplate and LED diffuser has …read more

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Posted in badgelife, cons, DEF CON, defcon 27, gems, hardware badge, joe grand, quartz crystal | Leave a comment