Halma plc (UK)
0aptThis record tracks a ransomware attack claimed by the 0apt group against Halma plc (UK). 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
Halma plc is a United Kingdom-based public limited company headquartered in Amersham, Buckinghamshire. It is a global group of around 50 specialist technology businesses that provide life-saving technologies and solutions to major challenges, spanning software and hardware offerings. Its portfolio is organized around niche markets with global reach and a focus on safer, cleaner, healthier outcomes. The company 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.