Mueller Industries (USA)
0aptThis record tracks a ransomware attack claimed by the 0apt group against Mueller Industries (USA). 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
Mueller Industries, Inc. is a US-based manufacturing and engineering company specializing in piping systems, climate control products, and industrial metals and components. The firm manufactures products for plumbing, HVAC, and refrigeration applications, serving global markets with premium-performance valves and brass fittings. Headquartered in the United States, Mueller Industries operates multiple facilities and employs professionals in roles such as manufacturing engineering and CNC machining. The company was listed as a ransomware victim associated with the threat actor 0apt.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.