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Schomer — Principal Security Solutions Architect & Founder
🚀 [PROJECT MILESTONE] Secure Agentic Commerce is Here: Introducing ETB PayShield for the PayPal AI Hackathon
High-volume digital checkouts and autonomous AI commerce flows face an overlooked vulnerability vector: traditional application security configurations run too high up the application stack. Operating post-execution means memory pathways are already exposed to zero-click injection payloads, parameter manipulation, and webhook routing errors before a validation log can even be flagged.
To fix this architectural flaw, I have engineered ETB PayShield—a plug-and-play, deterministic defense gate operating at Layer Zero to neutralize input threats natively at the absolute transaction boundary.
💻 Technical Infrastructure Architecture:
• Out-of-Band Intercept (gate/): Custom Python-driven asynchronous HTTP proxy listener that drop-handles traffic anomalies via a proactive 403 Forbidden edge intercept, or triggers a 200 Verified token to preserve line speed.
• Threat Intelligence Pipeline (pipeline/): Real-time variable log parsing that dynamically structures network telemetry anomalies into globally standardized STIX 2.1 Cyber Threat Intelligence JSON bundles.
• Automated Log Management: Native background PowerShell orchestrators featuring automated byte-size threshold detection for hot log rotation and clean filesystem archiving.
• Compliance Interface Chassis (dashboard/): A fully integrated CISO-ready dual-view stream engine utilizing utf-8-sig verification structures to deliver precise, hallucination-free risk reports.
🔥 Testing Validation Metrics:
• 0% Packet Drops under concurrent thread tests on Port 8080.
• 100% Deterministic Immunity achieved via pre-execution structural payload isolation.
The code is public, and the end-to-end multi-vector simulation environment is completely locked and clean.
Check out the full repository here: https://github.com
Watch the end-to-end engineering demonstration video here: https://youtu.be
#Cybersecurity #ApplicationSecurity #PayPalAI #AgenticCommerce #AppSec #ThreatIntel #Python #PowerShell #STIX
3 reactions · 2 comments
Topics: #threatintel, #python, #paypalai, #applicationsecurity, #appsec, #agenticcommerce, #powershell, #cybersecurity, #stix
Comments
Ben N.: great project Justin! I enjoy all the technical details specially with agentic ai. Agentic AI is changing the rule of the game today.
Schomer: Thanks Ben! Appreciate you checking out the technical details and architecture. Agentic AI is absolutely changing the game, but it also introduces entirely new vulnerability vectors. As autonomous workflows take over, traditional app sec running high up the stack won't cut it. Intercepting threats at Layer Zero before execution memory is hit is essential to making agentic commerce safe at scale. B