Community Stage·19 min
Eero "rambo" af Heurlin
Follows a beginner's attempt to reverse engineer the Bluetooth Low Energy protocol behind an LED helmet light.
DEF CON 34 talks are here: 354 talks, summarized and searchable.
Browse DEF CON 34February 2023 · Helsinki, Finland
2 sessions · 26 talks
1–24 of 25 talks / 26
Community Stage·19 min
Eero "rambo" af Heurlin
Follows a beginner's attempt to reverse engineer the Bluetooth Low Energy protocol behind an LED helmet light.
Community Stage·32 min
Lotta Sandroos
Argues that home users need encouraging, targeted security messaging rather than fear-based campaigns.
Community Stage·25 min
Matthew Keogh · Tom Taylor-MacLean
Shows how trusting an AWS service principal in resource-based policies can let outside accounts reach a victim's resources.
Community Stage·26 min
Markus Lehtonen
Shows how links sent by email can leak sensitive data through public URL scanning services.
Community Stage·52 min
Knud
Walks through finding and exploiting bugs in Uniview IP cameras, from UART access and firmware unpacking to a stack overflow.
Community Stage·55 min
Walter Belgers
Shows how a magnetic lock's sliders can be read, copied and bypassed, including recovering its master key.
Community Stage·30 min
Mikko Kenttälä
Shows how crafted calendar invitation attachments can write and delete files on macOS through Apple Calendar bugs.
Community Stage·19 min
Silvan Michael Gebhardt
Walks through how a routing mistake at a European ISP leaked routes and disrupted traffic for other networks.
Community Stage·28 min
Lauri Paatero
Explains the IEC 62443-4-2 device security standard, its security levels, and its shortcomings for industrial devices.
Community Stage·53 min
Idanhurja
Walks through studying an Abloy lock and building a pick tailored to it.
Community Stage·25 min
Jouni Mikkola
Walks through three real intrusions, mapping observed attacker techniques to the defenses that could have stopped them.
Community Stage·28 min
Lindsay Kaye
Traces how ransomware groups changed their deployment, obfuscation, extortion and coding choices, and which changes backfired.
Main Stage·54 min
Karo Vallittu
Traces how Rolls-Royce built cyber defenses for Swan, a demonstrator autonomous passenger ferry, and what went wrong.
Main Stage·34 min
windytan
Shows how HDMI display signals leak radio emissions that can be captured from another room to move data across an air gap.
Main Stage·28 min
J. Tuomas Harviainen
Examines how drug buyers and sellers build trust on dark web image boards and the closed groups replacing them.
Main Stage·1 hr 2 min
Aapo Oksman
Shows how clients that skip certificate checks can be tricked into trusting forged TLS servers, with demos against iOS and Windows.
Main Stage·42 min
Jonas Vestberg
Walks through local privilege escalation flaws found in example scripts of a popular Windows pentest toolkit.
Main Stage·58 min
Connie McIntosh
Surveys how generative AI, deepfakes and human error are reshaping attacks and what defenders should expect.
Main Stage·39 min
Suvi Lampila
Explains why harvest-now-decrypt-later attacks make post-quantum key exchange urgent and how to migrate existing network protocols.
Main Stage·28 min
Pyry Åvist
Compares red team phishing emails with ChatGPT-generated ones across tens of thousands of simulated attacks.
Main Stage·52 min
Benjamin Nagel
Explains how aircraft are engineered and where cybersecurity fits, from redundancy and building blocks to segregation and testing.
Main Stage·45 min
Ville Vainikka · Henri Aalt
Compares EDR endpoint telemetry with SSL-decrypting gateway visibility for spotting C2 traffic and adversary-in-the-middle logins.
Main Stage·51 min
Nick Jones
Walks through real-world AWS attack paths, from leaked credentials and CI/CD pipelines, plus detection and hardening advice.
Main Stage·52 min
Antti Kurittu
Traces the Vastaamo psychotherapy patient data breach from an exposed database to extortion, leaked records and regulatory fallout.