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.

CodeStepByStep
https://haveibeenpwned.com/Breach/CodeStepByStep

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.
Sun, 23 Nov 2025 05:54:02 Z

Source: HaveIBeenpwned
Source Link: https://haveibeenpwned.com/Breach/CodeStepByStep