Real-time Protection
Against Phishing
Shield yourself from phishing attacks with our ML-powered browser extension. Analyze URLs in real-time and block threats before they reach you.
Powerful Features
Everything you need to stay protected from phishing attacks while browsing the web.
Real-time Protection
Analyzes URLs as you browse, providing instant protection against phishing attempts.
Automatic Blocking
Instantly blocks detected phishing pages with a clear warning screen to keep you safe.
Smart Notifications
Get non-intrusive warnings for suspicious sites without interrupting your workflow.
Whitelist Management
Add trusted domains to bypass scanning and customize your protection preferences.
SGD + TF-IDF Model
Powered by Stochastic Gradient Descent with TF-IDF vectorization for 89.4% detection accuracy.
History Tracking
View recently blocked phishing attempts and analyze threat patterns over time.
Domain Recognition
Smart recognition of popular domains to reduce false positives and improve accuracy.
Customizable Settings
Adjust protection levels, notification preferences, and more to suit your needs.
Privacy First
No data collection - URLs are analyzed and discarded. Your browsing stays private.
How It Works
Protection in milliseconds. Here's how PhishBlock keeps you safe while browsing.
You Browse
Navigate the web as usual. PhishBlock monitors every URL you visit in real-time.
ML Analysis
Our SGD classifier with TF-IDF vectorization analyzes URL patterns, domain structure, and text features.
Safe Sites Pass
Legitimate websites load normally with zero interference. No slowdowns, no interruptions.
Threats Blocked
Phishing attempts are instantly blocked with a warning page. You stay protected, always.
TF-IDF Vectorization
Our model uses TF-IDF (Term Frequency-Inverse Document Frequency) to analyze URL text patterns:
{
"url": "https://suspicious-site.xyz/login",
"is_phishing": true,
"confidence": 0.8542,
"risk_level": "critical",
"is_popular_domain": false,
"recommendation": "WARNING: Strong phishing indicators detected"
}Model Performance
Our SGD classifier with TF-IDF vectorization delivers industry-leading detection rates.
Accuracy
Overall detection accuracy on test dataset
Precision
Correctly identified phishing sites
Recall
Phishing attempts caught
ROC AUC
Model discrimination ability
Frequently Asked Questions
Everything you need to know about PhishBlock
PhishBlock uses an SGD (Stochastic Gradient Descent) classifier with TF-IDF vectorization, trained on thousands of phishing and legitimate URLs. It analyzes URL patterns, domain structure, and text features to determine if a URL is likely a phishing attempt.
Start Protecting Yourself Today
Join thousands of users who browse safely with PhishBlock. Install the extension in seconds and stay protected from phishing attacks.