Meridian Cooperative
blackbyteThis record tracks a ransomware attack claimed by the blackbyte group against Meridian Cooperative. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
Meridian Cooperative is an Atlanta, Georgia-based information technology company that provides enterprise software and technology solutions purpose-built for utilities. It describes itself as a trusted leader in utility software, with offerings that include CIS, FIS, and broader enterprise platforms for utility operations. The company also notes business development and support contacts on its official site, reflecting its role as a commercial software and services provider for the utility sector. Meridian Cooperative was listed as a ransomware victim associated with BlackByte.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.