Ground Floor·23 min
Yaron Avital
Examines how permissive GitHub Actions tokens and unpinnable third-party actions expose CI pipelines to compromise.
DEF CON 34 talks are here: 354 talks, summarized and searchable.
Browse DEF CON 34Las Vegas, USA · August 2023 · 11 talks
Ground Floor talks from BSides Las Vegas 2023.
1–11 of 11 talks
Ground Floor·23 min
Yaron Avital
Examines how permissive GitHub Actions tokens and unpinnable third-party actions expose CI pipelines to compromise.
Ground Floor·54 min
Cat Self · Kate Esprit
Shows how CTI and red development combine to emulate a Latin American threat actor using ATT&CK techniques.
Ground Floor·51 min
Jayson Grace · Adam Bradbury
Shows how a purple team pairs threat intelligence with offensive testing to validate detections against real adversary playbooks.
Ground Floor·46 min
Vanessa Redman
Shows negotiation tactics that help security staff win leadership support for better decisions without relying on fear.
Ground Floor·25 min
Neerja Sonawane · Kiran Shirali
Shows how eBay replaced a costly third-party SIEM with open-source Kafka, Flink and Hadoop for near real-time detection.
Ground Floor·41 min
Matt Scheurer
Traces the origins of phone phreaking and early hacking, showing vintage telephone hardware and how it connects to modern threats.
Ground Floor·46 min
Josh Bressers
Uses Star Trek: The Next Generation episodes to map fictional security incidents to ATT&CK and draw practical lessons.
Ground Floor·47 min
Zach Wasserman
Shows how to manage detection rules as code in Git using osquery, Fleet, and Matano with reviewed pull requests.
Ground Floor·34 min
Sara Perez
Shows how AWS Organizations SCPs, permission boundaries and EventBridge-triggered Lambda checks let engineers manage IAM safely.
Ground Floor·25 min
Christina Liu
Explains how personal data gets re-identified and gives practical steps for building privacy into software from the start.
Ground Floor·17 min
Brent Harrell · Garet Stroup
Presents a capability maturity model that helps red teams gauge readiness, plan growth, and report progress to leadership.