Monthly DEF CON-style meetups in San Antonio: talks, workshops, lockpicking, hacking, and community. Beginners Welcome!!

When: 4th Thursday · 6:30 PM NE Lakeview · Paluxy Hall Rm 101 Cost: Free / Open to Public

Pentesting AI-Integrated Systems

Speaker: Rex

Everyone is rushing to bolt AI onto their apps. Almost nobody is testing them properly.

This talk walks through two real-world pentests of AI-integrated systems: an internal enterprise AI application and Microsoft 365 Copilot. No hype, no magic — just methodology, hands-on testing, and the weird failure modes that appear when large language models meet traditional web infrastructure.

We'll break down how classic pentest techniques still apply, where they fall short, and how AI expands the attack surface in unexpected ways. Expect practical examples of vulnerabilities uncovered during testing, including XSS, data exposure, and boundary failures between model behavior and application logic.

If you're a beginner curious about AI security or a tester trying to adapt your workflow to AI-driven apps, this session is a field guide from real engagements — not a research paper, not a sales pitch.

Who's the Boss Now? Owning the BossNet C2

Speaker: PaPPY

This talk dives into BossNet, a criminal C2 framework powering large-scale SEO poisoning and malware campaigns.

PaPPY will walk through how they stumbled across the operation, mapped the infrastructure, identified command-and-control servers, and pivoted through the environment.

Expect real-world threat hunting, infrastructure pivoting, and a behind-the-scenes look at how these campaigns operate.

Upcoming Talks

  • April: Git for Dummies — 2WheelHacker
  • May: Hunting Down Sex Predators — Shamel (aka Nathan)
  • June: 2 year Anniversary Party
  • July - October: This could be you! (Speaker slots open)
  • November: 12 Talks of Christmas
  • December: Hacker Family Movie Night

Past Meetings

2026
  • January: Speaker REDACTED — DEF CON SATX first After Dark Talk (18+ Only)
  • February: Rex — "Pentesting AI-Integrated Systems"
2025
  • January: Jayson E. Street — "Just Security Things with Jayson"
  • February: SciaticNerd — "Your Data, Different Cloud"
  • March: 2025 After Dark Talk
  • April: Jonathan Gonzalez — Adversarial Use of AI
  • May: 1 Year Anniversary Party
  • June: Nathan Reyes — "The Cell Tower Talk"
  • July: Jonathan Gonzalez — "Investigation Analysis 101"
  • August: PaPPY — "Clickfix: When CAPTCHA Solves You"
  • September: Draggr — Mirai Variant Analysis
  • October: b00ey — "Assembly 101"
  • November: 12 Talks Before Christmas
  • December: Hackers Movie Night + NightHax Awards

Frequently Asked Questions

What is DCG-SATX?

DEF CON Group San Antonio (DCG-SATX) is a local community of security enthusiasts, hackers, students, and professionals who meet monthly to learn, share, and connect.

Who can attend?

Everyone. Meetings are free and open to the public — beginners, students, and professionals alike.

Do I need hacking skills?

No. All skill levels are welcome, and no prior experience is required.

When and where do you meet?

We meet on the 4th Thursday of every month at 6:30 PM at Northeast Lakeview College — Paluxy Hall, Room 101. View map →

What should I bring?

Just yourself. A laptop is optional.