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A reverse-proxy WAF combining sliding-window rate limiting with transformer-based request inspection, benchmarked against ModSecurity with OWASP CRS v4 on 675 labeled real-world payloads for a 96% detection rate vs. 46%. Fine-tuned DistilBERT to detect 10 web attack classes - Path Traversal, SQLi, XSS, SSRF, and IDOR - at 97.5% accuracy, with OWASP Juice Shop, WebGoat, and DVWA deployed behind a Docker Compose reverse-proxy gateway enforcing per-IP rate limiting and monitor, block, and challenge modes before reaching the origin.

Full-stack AI platform with a 4-agent orchestration system (Perception, Detection, Compression, Cognitive) for deepfake media analysis. ResNet50/EfficientNet models trained on FaceForensics++ (16GB, 7000+ samples) for high-accuracy detection of AI-generated content.

Continuous behavioral authentication for digital banking. An on-device SDK captures 40+ keystroke, touch and session signals; a FastAPI decision engine combines behavioral ML, blockchain device trust and coercion signals to APPROVE, STEP_UP or HARD_BLOCK every login in under 80 ms, with SHAP explanations.