PhishGuard - Email Phishing Detector

🛡️ PhishGuard — Real-Time Phishing Protection for Gmail PhishGuard automatically analyzes every email you open in Gmail and alerts you to phishing attacks before you click anything dangerous. 🔍 WHAT IT DETECTS • Brand impersonation — PayPal, Amazon, Google, Microsoft, Apple + 10 more • Suspicious links scanned by VirusTotal (70+ antivirus engines) • Urgency tactics and credential-harvesting language (40+ patterns) • Typosquatting domains — paypa1.com, amaz0n.com, micros0ft.com • URL shorteners hiding malicious destinations ⚡ HOW IT WORKS 1. You open an email in Gmail 2. PhishGuard analyzes sender, subject, body and all links 3. A color-coded banner appears — green (safe), yellow (suspicious), red (danger) 4. Links are checked against VirusTotal's global threat database 5. The extension icon shows a risk badge: OK / ⚠ / ! 📊 STATISTICS DASHBOARD Track all-time and weekly threat counts, a 7-day activity chart, and the most dangerous email ever detected. 🔒 PRIVACY • All local analysis runs entirely in your browser • Only URLs are sent to VirusTotal — no email text, no personal data • No PhishGuard servers — zero data collection • Requires a free VirusTotal API key (setup guide included on install) 👨‍💻 Built by Paulo Monayer as a cybersecurity