WebShield IDS

** WebShield IDS — Extension Description WebShield IDS is a browser-based intrusion detection and URL security extension designed to protect users from phishing, malware, and malicious websites in real time. It operates using a hybrid detection approach that combines machine learning models with deterministic security heuristics to analyze URLs during normal browsing activity. * Key Capabilities Real-time detection of malicious and suspicious URLs Classification of URLs into phishing, malware, defacement, or benign categories Ensemble-based decision logic for improved accuracy and reduced false positives Detection of typosquatting, brand impersonation, and deceptive domain patterns Confidence-driven risk scoring to prioritize high-risk threats Lightweight architecture with minimal impact on browser performance * How the Extension Works Monitors URL changes during active browsing sessions Extracts structured features from the URL (domain structure, entropy, keywords, similarity patterns) Applies heuristic checks and local threat intelligence first Uses machine learning models only when necessary Produces a final decision based on combined signals rather than a single source All analysis is performed automatically and only when relevant. * Privacy and Data Handling No personal user data is collected, sold, or shared URL analysis is performed solely for security evaluation No browsing history is stored beyond the active session and scan history relevent according to user requirements and can be cleared by user on click on a button. No tracking, profiling, or advertising functionality is included * Intended Audience Users seeking protection from phishing and malicious links Students and professionals browsing unfamiliar or untrusted URLs Individuals who want an additional, automated layer of browser security