Skip to content

Incidents involving:

CodeStepByStep

Data breachResolved

CodeStepByStep data breach (2025)

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.

Victim
CodeStepByStep
Records
103.1K