Talks·45 min
Randy Naraine
Plays a thirty-minute piano medley tracing music from 1729 to 2025, with live improvisation based on audience suggestions.
DEF CON 34 talks are here: 354 talks, summarized and searchable.
Browse DEF CON 34New York City, USA · August 2025 · 92 talks
Talks from HOPE_16 (2025).
1–24 of 92 talks
Talks·45 min
Randy Naraine
Plays a thirty-minute piano medley tracing music from 1729 to 2025, with live improvisation based on audience suggestions.
Talks·54 min
Logan Klein
Shows how Windows EDR products are evaded through AMSI and ETW bypasses, DLL unhooking and process hollowing.
Talks·52 min
Mu Yang
Traces how a volunteer scientific sleuth spots duplicated images and impossible data in published papers across several fields.
Talks·44 min
Alex Muentz
Explains how U.S. law treats protest, from pickets and sit-ins to online facilitation and doxing, and where the risks lie.
Talks·51 min
Laura Sang Hee Scherling · Josefina Piddo
Examines how scam awareness training and policy can better protect older adults, with findings from a free community workshop program.
Talks·42 min
Robert Stribley
Surveys six ways AI erodes privacy, from opaque data sharing to deepfake misuse, and suggests design guidelines to respond.
Talks·27 min
Earl Brown
Explores how aphantasia, the inability to form mental images, shapes one pathologist's and teacher's work and thinking.
Talks·1 hr 48 min
Takes audience questions to the Electronic Frontier Foundation about digital rights and online privacy.
Talks·55 min
Roman Pushkin
Traces ATM cash-out attacks from magstripe skimming to a coin dispenser flusher built from a bought unit.
Talks·49 min
Yael Grauer
Argues that digital security advice should fit a person's devices, risks and circumstances, and tests popular tips against that standard.
Talks·44 min
Josh King
Shows how Bitpart runs one-to-many Signal bots for tiplines, help desks, broadcasts, and eSIM and VPN code distribution.
Talks·56 min
John Kiriakou
Traces how post-9/11 intelligence practice grew into mass surveillance and urges hackers to pursue a transparent cyber peace movement.
Talks·57 min
Alexander Urbelis · Phil Daian · Harry Halpin
Traces the link between hacker and cypherpunk history and Ethereum, covering privacy, open source and the Tornado Cash case.
Talks·50 min
William Hutson
Shows how a neighborhood tech group runs short biweekly hackathons and how others can start one locally.
Talks·44 min
Adam L. Hesch
Explains how to push ideas through large organizations by using policy, stakeholders and bureaucratic process to get things done.
Talks·49 min
Micah Lee · Redshift Zero · Yael Grauer
Shows how the open source Cyd desktop app automates a browser to save and delete social media posts locally.
Talks·53 min
Wraps up the 2025 conference with network statistics, thanks to volunteers and hosts, and calls for feedback.
Talks·51 min
Cora Rowena Ruiz
Examines how protesters move during internet shutdowns and why current mesh messaging tools struggle in real crowds.
Talks·49 min
Jamie Brew
Shows how a comedy karaoke act rewrites famous songs with fragments from unusual text datasets and the software behind it.
Talks·53 min
Aman Abhishek
Explains how activists in the West Bank use cameras to document settler and military violence, and what happens to the footage.
Talks·54 min
Brais Macknik-Conde
Traces how Polish and British codebreakers broke the Enigma cipher, from rotor deduction to the Bombe's logic.
Talks·51 min
Mark El-Khoury
Explains how Chrome extensions are built and why their permissions are risky, then demos a scanner that rates them.
Talks·39 min
Samantha Stortz
Presents a modular scraper that collects dark web forum data to link anonymous accounts to the same user.
Talks·54 min
Marlon Kautz
Argues that activists should run their own collectively managed data infrastructure instead of relying only on zero-knowledge apps.