Data Breach Checker

Check if your personal information was exposed in major data breaches. Use this information to strengthen your credit dispute letters with powerful legal leverage.

100+
Tracked Breaches
10B+
Records Exposed
13
Years Covered (2013-2025)
0
Your Exposure

Check Your Exposure

Enter companies you've done business with to see if their data breaches affected you.

Credit Bureaus:
Banks & Finance:
Other Major:

Browse All Data Breaches

How to Use Breach Data in Disputes

Why it matters: Under the Fair Credit Reporting Act (FCRA), credit bureaus and furnishers must verify the accuracy of reported information. When your personal data has been compromised in breaches, you can argue that any matching of your information is unreliable.


How to use:

  1. Check which breaches affected companies you've done business with
  2. Select relevant breaches that exposed SSN, financial data, or personal info
  3. Copy the generated dispute language
  4. Add this language to your dispute letters as additional evidence
  5. Demand verification through means OTHER than matching your compromised data

CREDIT BUREAU BREACHES (Most Powerful for Disputes):

  • Equifax (2017) - 147M SSNs, credit cards, DOBs - CITE IN EVERY DISPUTE
  • Experian (2013-2022) - Multiple breaches: 200M+ records SOLD to ID thieves, API flaws, and more
  • TransUnion (2019, 2022) - Credit report data and 37M records exposed
  • LexisNexis (2023) - SSNs, driver licenses, criminal records via MOVEit
  • ChexSystems (2020) - Banking history and SSNs compromised

Other Key Breaches:

  • UnitedHealth/Optum (2025) - 190M records - LARGEST healthcare breach in US history
  • National Public Data (2024) - 2.9B records, SSNs exposed - massive data broker breach
  • Capital One (2019) - 106M records, credit applications exposed
  • First American (2019) - 885M mortgage records exposed