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Breach Monitor

Monitor your email, phone, and usernames for data breaches with real-time alerts.

🔒 100% Private ⚡ Instant Processing 📱 Works Offline

🔍 Check Your Data

Enter your information to check against known data breaches. All checks are performed using privacy-preserving k-anonymity.

Bulk Check

Upload a file with multiple emails, phones, or usernames (one per line)

📄

Drop file here or click to browse

Supports .txt, .csv files

🔔 Continuous Monitoring

Set up alerts to be notified when your information appears in new data breaches.

Items to Monitor

No items being monitored. Add emails, phones, or usernames below.

Alert Settings

📊 Your Breach History

View all past breach checks and monitoring results.

No breach checks performed yet. Use the "Check Breaches" tab to get started.

🛡️ Data Breach Security Guide

🚨 If You've Been Breached

  • Change passwords immediately for affected accounts
  • Enable two-factor authentication (2FA)
  • Monitor your accounts for suspicious activity
  • Consider freezing your credit reports
  • Be alert for phishing attempts

🔐 Prevention Strategies

  • Use unique passwords for every account
  • Enable 2FA wherever possible
  • Use a reputable password manager
  • Be cautious about sharing personal information
  • Regularly update software and apps

👁️ Ongoing Monitoring

  • Set up breach monitoring alerts
  • Review account statements regularly
  • Check credit reports annually
  • Use identity monitoring services
  • Keep personal information private on social media

🔄 Recovery Steps

  • Document all compromised accounts
  • Contact financial institutions if needed
  • File identity theft reports if necessary
  • Update security questions and recovery info
  • Consider legal action for severe cases

📚 About Our Breach Database

Our breach monitoring system checks against a comprehensive database of known data breaches including:

500+
Major Breaches
10B+
Compromised Records
Daily
Database Updates

🔒 Your Privacy is Protected

  • All checks use k-anonymity to protect your privacy
  • Your data is never stored on our servers
  • Monitoring happens locally in your browser
  • No personal information is transmitted in plain text
  • All data processing happens client-side