BreachCensus

blackout

First seen February 26, 2024Active12 claimed victims

The claims below are reproduced as posted by blackout on its own leak site. Such claims are frequently wrong or exaggerated, and are unverified. Organisations listed here have not been confirmed to have suffered a breach.

Listed organisation? Contact [email protected].

Profile

Blackout is a ransomware group that first appeared in early 2024, initially claiming attacks against healthcare entities in Canada, France, and Germany before expanding to telecommunications, mining, and manufacturing sectors, operating a double-extortion model with a data leak site.

Description from ransomware.live.

Claimed victims (as posted by the group — unverified)

Victim (as posted)Claimed onSourcePress coverage
bluebellgroup.comJuly 19, 2026ransomware_live—
www.miatech.netJuly 19, 2026ransomware_live—
yano.tokyoJuly 19, 2026ransomware_live—
nedamaritime.grDecember 10, 2024ransomware_live—
cdc-biodiversite.frSeptember 26, 2024ransomware_live—
antaeustravel.comAugust 22, 2024ransomware_live—
luzan5.comJuly 14, 2024ransomware_live—
badel1862.hrJuly 3, 2024ransomware_live—
mcmtelecom.comMay 29, 2024ransomware_live—
ht-hospitaltechnik.deApril 18, 2024ransomware_live—
metal7.comFebruary 26, 2024ransomware_live—
ch-armentieres.frFebruary 26, 2024ransomware_live—

Claim data from ransomware.live and RansomLook (CC BY 4.0).