CodeStepByStep Data Breach and Leak (November 2025)
codestepbystep.com
About This Breach
CodeStepByStep, an online coding practice platform, suffered a data breach in November 2025 in which 17k user records were exposed and published online, followed by the release of an additional dataset the next month that increased the total exposure to 103k records. The compromised data included names, usernames, and email addresses.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | No reference available |
Frequently Asked Questions
How do I check if I was in the CodeStepByStep breach?
Type your email address into the search box on our data breach check page. If it appears in the CodeStepByStep breach, or any other, you'll see the breach name, date and what was exposed. It's free and nothing you type is stored.
When did the CodeStepByStep data breach happen?
CodeStepByStep was breached in Nov 2025. The breach was added to the XposedOrNot index on January 3, 2026.
How many records were exposed in the CodeStepByStep breach?
103,502 records were exposed, making it the #703 largest of the 796 breaches in our index.
What data was exposed in the CodeStepByStep breach?
The exposed data includes: Email addresses, Names, Usernames.
What should I do if I was affected by the CodeStepByStep breach?
No password was in this breach, so the main risk is phishing. Be wary of emails, calls or texts that quote these details, turn on two-factor authentication, and set up free breach alerts on XposedOrNot so you know the moment your email appears in a new breach.
More Education Breaches
What Should You Do?
Enable Two-Factor Authentication
Add 2FA on all supported accounts using an authenticator app like Google Authenticator or Authy.
Monitor Your Accounts
Set up login alerts and review account activity regularly for suspicious access.