// UNCLASSIFIED // CLEARED FOR PUBLIC RELEASE //
FILE BRC-newsDTG 0600Z
ColdRecon / Breach Radar / CheckMarx
Breach Record

CheckMarx

DISCLOSED 2026-04-28 · UNKNOWN

CheckMarx has acknowledged a major cyberattack that resulted in data being leaked onto the dark web. No further details about the attack vector, data types, or threat actor were disclosed.

The record

What we know

Disclosed
2026-04-28
Sources

Cited reporting

This page is the permanent ColdRecon entry for the CheckMarx disclosure. It updates if new public reporting emerges. All tracked breaches →

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