DEF CON 33 - The depths that marketers will plummet to - 4dw@r3
Source: YouTube · DEFCONConference · published Oct 10, 2025 · 21:12
Marketers developed invasive tracking methods to circumvent privacy protections, creating server-to-server technology that collects even more personal data than cookies 0:15.
Key Takeaways:
• Cookies are encrypted text strings used for tracking, with third-party cookies issued by sites other than the one you're visiting 2:04
• Google's "Privacy Sandbox" aimed to eliminate third-party cookies but faced criticism as potentially monopolistic 3:05
• Marketing firms created "server-to-server" technology using API connections to bypass cookie restrictions and collect even more personal data 5:38
• Google ultimately abandoned their plan to eliminate third-party cookies, instead partnering with marketing firms to expand tracking capabilities 13:05
GDPR has been effective in forcing companies to spend billions to continue tracking users, but stronger regulations are needed to close loopholes 19:39.
Sources:
- 0:15 Introduction to the depths marketers will go to for data collection
- 2:04 Explanation of cookies and tracking
- 3:05 Google's Privacy Sandbox initiative
- 5:38 Server-to-server technology explanation
- 13:05 Google reverses course on cookies
- 19:39 Privacy protection recommendations and GDPR effectiveness
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First 800 characters of the transcript
Welcome to Defcon everybody. It's finally here. We're finally doing it. Uh we did not cancel it this year. Feel like maybe we should have. It's kind of hot, right? Um my name is Adwear and this talk is the depths that marketers will plummet to. So I'm also doing this talk on behalf of crypto and privacy village and crypto stands for cryptography not cryptocoin. Exactly. So my background is as community organizer. I help run an amazing community in Chicago called Burps. We are a monthly meetup, seven monthly meetups in fact now in just the Chicagoland area. One in Galway, one starting out in Las Vegas. So if you're local, check it out. We have 1,300 people in our discord and they are the people that have inspired me to speak. They are the people that have inspired me to grow in my careers a…