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Discover critical security vulnerabilities in ISP-supplied modems that pose severe threats to global infrastructure in this 40-minute DEF CON 33 conference talk. Learn how researchers identified over 35 severe flaws in ADSL, fiber, cable, and 5G modems that could potentially compromise power grids, water systems, and ATMs worldwide. Explore how these vulnerabilities stem from outdated IoT SDKs and affect millions of devices globally, enabling attackers to manipulate essential services without direct device hijacking. Understand the systemic nature of these security issues and why manufacturers and ISPs consistently refuse to address them, leaving these devices as perpetual threats to critical infrastructure. Gain practical skills in vulnerability hunting and detection techniques while learning to craft effective defenses against these inherent weaknesses. Navigate the complex landscape of responsible disclosure when facing industry inertia and resistance to security improvements. Acquire essential tools and methodologies for identifying and defending against modem-based attacks that could destabilize crucial infrastructure systems beyond just personal data breaches.
