Sonova Holding (Switzerland)
0aptThis record tracks a ransomware attack claimed by the 0apt group against Sonova Holding (Switzerland). 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
Sonova Holding AG is a Swiss company headquartered in Stäfa, Switzerland, and is part of the global hearing care sector. It develops and markets hearing care solutions, including hearing aids, cochlear implants, wireless communication systems, personal audio devices, and related audiological care services. The Sonova Group describes itself as a vertically integrated provider across wholesale, retail, and cochlear implant activities. In a threat-intelligence context, Sonova Holding (Switzerland) was listed as a ransomware victim associated with 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.