Your network isn't just your perimeter anymore—it's your AI control plane. Over my 15 years securing fintech across LatAm and the Caribbean, I've watched security teams defend static attack surfaces. Now in July 2026, we're seeing proof that traditional firewalls can't keep pace with how threats exploit AI workflows and supply chains simultaneously. The Microsoft Copilot disclosure shows hidden prompts propagating through documents like malware. State-sponsored groups compromise trusted local sites to deploy backdoors without user interaction. BYOVD attacks chain vulnerable drivers for persistent access. And 42 percent of smart TV apps in consumer networks become unwitting proxy nodes for attackers. These aren't isolated incidents—they're symptoms of a broken model. Your network teams are inspecting packets while adversaries operate at the application and AI layer. Firewalls still matter, but they're no longer enough. The control plane has shifted. In fintech especially, where regulatory scrutiny keeps rising, you need visibility and enforcement that spans network, AI assistants, supply chain integrity, and endpoint behavior simultaneously. This isn't about buying new tools. It's about rethinking how your security architecture responds when threats move faster than your incident response. How are you adapting your network strategy to defend AI-driven workflows in your fintech environment? 🔐 🛡️ #cybersecurity #CISO #fintech