The latest articles on DEV Community by Vaishnaa Shri (@vaishnaa_shri_). https://dev.to/vaishnaa_shri_ https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4170798%2Fd0ac5dd8-adbf-4edb-bb07-00d62657fadb.png https://dev.to/vaishnaa_shri_ en Vaishnaa Shri Thu, 08 Oct 2026 10:25:59 +0000 https://dev.to/vaishnaa_shri_/shieldai-33n1 https://dev.to/vaishnaa_shri_/shieldai-33n1 <h1> DataShield: Protect Your Data Before It Leaves Your Browser 🔐 </h1> <p>We built <strong>DataShield</strong>, an AI-powered browser privacy layer that detects sensitive information in text and files before users share them online.</p> <p>It can identify data such as <strong>Aadhaar, PAN, phone numbers, emails, UPI IDs, API keys, and other personal information</strong>. When something sensitive is detected, users can choose to <strong>mask, encrypt, upload as-is, or cancel</strong>.</p> <h3> How it works </h3> <p><strong>Input → Detect → Risk Analysis → Protect → Share</strong></p> <p>DataShield follows a <strong>local-first approach</strong>, aiming to process sensitive information on the user's device and minimize unnecessary data exposure.</p> <h3> Key Features </h3> <ul> <li>🔍 Sensitive-data detection</li> <li>🛡️ Pre-upload protection</li> <li>🎭 Data masking</li> <li>📁 File upload protection</li> <li>⚠️ Risk indication</li> <li>🔒 Privacy-focused browser extension</li> </ul> <h3> Tech Stack </h3> <p><strong>Chrome Extension APIs</strong></p> <p><strong>GitHub:</strong> <a href="https://github.com/VaishnaaShri/hacktoberfest/blob/7af32f69cbdcbae119377c0b66ba3a945b29bb94/README.md" rel="noopener noreferrer">https://github.com/VaishnaaShri/hacktoberfest/blob/7af32f69cbdcbae119377c0b66ba3a945b29bb94/README.md</a><br> <strong>Demo:</strong> <a href="https://youtu.be/bXbRqXOCgpU" rel="noopener noreferrer">https://youtu.be/bXbRqXOCgpU</a><br> <strong>Devpost:</strong> <a href="https://dev.to/vaishnaa_shri_/shieldai-7eb-temp-slug-3854045/edit">https://dev.to/vaishnaa_shri_/shieldai-7eb-temp-slug-3854045/edit</a><br> <strong>working</strong><a href="https://drive.google.com/file/d/18V3dcYKdQ_OiX6MqzV8BoB7F0UebXmbU/view?usp=sharing" rel="noopener noreferrer">https://drive.google.com/file/d/18V3dcYKdQ_OiX6MqzV8BoB7F0UebXmbU/view?usp=sharing</a></p> <p>Built during <strong>Hacktoberfest Hack Day</strong> to explore how AI and browser technology can make everyday online data sharing safer.</p> <h1> hackathon #opensource #ai #privacy #cybersecurity </h1> ai privacy security