Check Have I Been Pwned for known breaches

Visit haveibeenpwned.com and enter your email address. The site checks your email against billions of records from known data breaches and tells you exactly which breaches included your information, what data was exposed, and when it happened.

Why It Works

Have I Been Pwned is maintained by security researcher Troy Hunt and aggregates data from thousands of confirmed breaches. It is the most comprehensive and trustworthy free breach-checking service available.

Tips

• Check all your email addresses, including old ones you no longer use
• Subscribe to breach notifications so you are alerted when your email appears in future breaches
• If your email appears in a breach, change the password on that service immediately
• Check the "Passwords" tab to see if any specific password you use has appeared in breach databases