Breachesby GlyphCodeStepByStep
Disclosed Nov 23, 2025103,077 accountsConfirmed
In November 2025, the online coding practice tool CodeStepByStep suffered a data breach that exposed 17k records which were subsequently published online . The following month, a further corpus of data was released bringing the total to 103k. The impacted data included names, usernames and email addresses.
What is known
| People affected | 103,077 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Nov 23, 2025 |
| Happened | Nov 15, 2025 |
| Attack | Not stated |
| Data exposed | EmailsNames |
| Sector | Tech |
| Status | Confirmed |
| Check your email | Have I Been Pwned |
Sources
Notices filed
History of this record
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned), confirmed by Company page. Record counts are as reported. Not legal advice.