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CYBER TALKS

6-9 August 2015 · Paris and Bally's Hotels, Las Vegas

DEF CON 23

12 villages · 213 talks

Villages at this event

DC Groups

1 talks

DEF CON Groups presentations and community spotlights showcasing local chapters, technical projects, and hacker community organizing.

Main Stage

87 talks

Main Stage presentations at DEF CON 23 cover landmark cybersecurity research across binary analysis, Android internals, Active Directory exploitation, and physical data destruction. Sessions feature pioneering work on symbolic execution frameworks, telecommunications infrastructure attacks, satellite communications, and critical policy debates.

Presentations Attack

17 talks

Presentations Attack at DEF CON 23 features offensive security talks covering penetration testing, network attacks, web application security, wireless exploits, and hardware hacking techniques (17 talks).

Presentations Auto

3 talks

Presentations on Automotive Hacks at DEF CON 23 covers connected vehicle security, remote cellular exploitation, CAN bus injection, and wireless key fob replay attacks.

Presentations Bio

2 talks

Presentations on Biohacking at DEF CON 23 covers medical device security, honeypot deployment for healthcare infrastructure, and the ethical frontiers of human augmentation.

Presentations Crypto

5 talks

Presentations on Cryptography at DEF CON 23 covers secure messaging protocols, applied cryptographic primitives, cryptocurrency brainwallet cracking, and SSL/TLS time synchronization bypasses.

Presentations Hardware and Lockpicking

4 talks

Presentations on Hardware and Lockpicking at DEF CON 23 covers physical security, embedded device exploitation, electronic safe bypassing, and hardware root-of-trust security.

Presentations Internet of Things

3 talks

Presentations on the Internet of Things at DEF CON 23 explores security vulnerabilities in connected consumer hardware, embedded Linux appliances, smart home protocols, and ZigBee wireless networks.

Presentations Panels

11 talks

Presentations Panels at DEF CON 23 features expert panel discussions, Q&A sessions, and keynote debates covering policy, digital rights, cryptography, hardware firmware attacks, and security community culture.

Presentations Social Engineering

4 talks

Presentations on Social Engineering at DEF CON 23 explores human-layer vulnerabilities, open-source intelligence gathering, digital surveillance tradecraft, lock pattern predictability, and identity fraud.

Presentations Wireless

2 talks

Presentations on Wireless security at DEF CON 23 covers point-to-point radio proxying, distributed 802.11 spectrum monitoring, and Software-Defined Radio tradecraft.

Village Presentations

74 talks

Village Presentations at DEF CON 23 spans technical workshops across Packet Capture, Lock Picking, IoT, Hardware Hacking, Wireless, Vehicle Hacking, Social Engineering, Crypto & Privacy, and BioHacking Villages.

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1–24 of 211 talks / 213

DC Groups·14 min

  • DEF CON
  • Community
  • Date: Aug 2015
  • Location: Las Vegas

DC801 Group Spotlight

Grifter

Grifter spotlights DC801 in Salt Lake City, Utah, sharing the history of one of the earliest DEF CON local groups and community hackerspace organizing.

dc-groupsdc801community+2

Main Stage·47 min

  • DEF CON
  • Malware
  • Date: Aug 2015
  • Location: Las Vegas

1057: Rick Astley

1057

1057 unpacks the intricate multi-stage cryptographic puzzles and hidden Easter eggs integrated into the DEF CON 23 electronic badge challenge.

badge-challengecryptographydefcon-puzzle+2

Main Stage·54 min

  • DEF CON
  • Policy
  • Date: Aug 2015
  • Location: Las Vegas

A Hacker's Guide to Risk

Bruce Potter

Bruce Potter provides a no-nonsense framework for security practitioners to communicate risk mathematically and align defensive engineering with business realities.

risk-managementthreat-modelingsecurity-metrics+2

Main Stage·46 min

  • DEF CON
  • Malware
  • Date: Aug 2015
  • Location: Las Vegas

Angry Hacking: The Next Gen of Binary Analysis

Yan Shoshitaishvili · Fish Wang

Yan Shoshitaishvili and Fish Wang introduce angr, the open-source binary analysis platform combining symbolic execution and static analysis for automated vulnerability research.

angrsymbolic-executionbinary-analysis+2

Main Stage·40 min

Backdooring Git

John Menerick

John Menerick explores attack vectors against Git source control workflows, demonstrating malicious hook injection and commit metadata spoofing.

gitsupply-chainsource-control+2

Main Stage·46 min

  • DEF CON
  • Red Team
  • Date: Aug 2015
  • Location: Las Vegas

Bugged Files: Is Your Doc Telling on You?

Daniel Crowley · Damon Smith

Daniel Crowley and Damon Smith reveal techniques for embedding covert web bugs and beacons within common document formats to leak recipient IP and environment data.

document-trackingweb-bugsexfiltration+2

Main Stage·34 min

  • DEF CON
  • Wireless
  • Date: Aug 2015
  • Location: Las Vegas

Chellam: A Wi-Fi IDS and Firewall for Windows

Vivek Ramachandran

Vivek Ramachandran introduces Chellam, a driverless Wi-Fi intrusion detection system and host firewall designed to detect Evil Twins, honeypots, and hosted network backdoors on Windows.

wi-fiwireless-securityintrusion-detection+2

Main Stage·1 hr 27 min

  • DEF CON
  • Community
  • Date: Aug 2015
  • Location: Las Vegas

Closing Ceremonies

The Dark Tangent

Jeff Moss (The Dark Tangent) and the DEF CON organizers close out DEF CON 23, announcing contest winners, black badge awards, and event highlights.

defcon-historyclosing-ceremonyawards+2

Main Stage·27 min

  • DEF CON
  • Community
  • Date: Aug 2015
  • Location: Las Vegas

Contests Closing Ceremonies

The Dark Tangent

The DEF CON contest leads and organizers celebrate the winners across the capture the flag tournaments, badge challenges, and village competitions.

defcon-contestsctfawards+2

Main Stage·46 min

  • DEF CON
  • Malware
  • Date: Aug 2015
  • Location: Las Vegas

Dark Side of the ELF

Alessandro Di Federico · Yan Shoshitaishvili

Alessandro Di Federico and Yan Shoshitaishvili demonstrate weaponizing the ELF dynamic linker to execute arbitrary code before main() without modifying executable sections.

elf-binarieslinker-exploitationbinary-rewriting+2

Main Stage·45 min

  • DEF CON
  • Malware
  • Date: Aug 2015
  • Location: Las Vegas

DLL Hijacking on OS X

Patrick Wardle

Patrick Wardle introduces dynamic library (dylib) hijacking on OS X, demonstrating stealthy local privilege escalation and persistence vectors in Apple applications.

dylib-hijackingmacos-securitypersistence+2