Secure File Upload Pipeline

8-layer defense-in-depth validation — interactive browser demo

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📁 Upload a File
📄

Drop a file here, or click to browse
(.jpg .jpeg .png .webp .pdf — or try something malicious)

⚡ Quick attack tests
About this demo This is a client-side JavaScript simulation of the 8-layer ASP.NET Core 8 validation pipeline. Layers 1–6 are fully implemented in the browser. Layer 7 (Windows Defender) and Layer 8 (AES-256-GCM storage) are structurally simulated — no scanner or disk write occurs.

Source: FileUploadService.cs  ·  FileContentValidator.cs
Read KNOWN-GAPS.md →
🔍 Validation Pipeline
Testing: · ·
🛡️

Upload a file or click an attack test
to watch the pipeline run in real time.