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Live Recon Contest
DEF CON 33 • 8th-9th August 2025
27+ hours of hybrid (online + offline) OSINT on multiple real-world target companies and live reconnaissance. Both contests were found challenging by participants as they struggled through the full run. Live Recon featured 47 teams with 67 participants; findings included 367 web logins impacted by infostealers and the Dark Web, and 14,500+ lines of unique raw data points (subdomains, IPs, emails, URLs, GitHub accounts, LinkedIn profiles).
Event statistics
47 teams67 players
Winners
1st Prize
pdteam
2nd Prize
pinja
3rd Prize
KaalChakra
Contest Leads
- Himanshu Kumar Das

- Ankur Bhargava

Jury Team
- Daniel Miessler

- Ben Sadeghipour

Why Participate?
Community support: Your participation helps support the community
Crack team of experts: Engage with the best in the biz
VIP treatment: Limited slots mean your company gets the full treatment
Treasure trove report: Walk away with a comprehensive dossier
Rules of the Contest
- 1Reconnaissance Only: No hacking or exploitation of any kind is allowed
- 2Report Submission: Submission of a detailed CSV file in a given structure is mandatory
- 3Presentation: Participants will present their findings in front of a jury
- 4NDA Compliance: All participants must sign an NDA to ensure the confidentiality of the findings
- 5Time Limit: All reconnaissance activities must be completed within the specified time frame
- 6Ethical Conduct: Participants must adhere to ethical guidelines
- 7Scope: Recon must be limited to the provided target scope
- 8Evidence Collection: All findings must be backed by appropriate evidence
- 9Original Work: All work must be original and performed during the contest