Active Communications International
quantumThis record tracks a ransomware attack claimed by the quantum group against Active Communications International. 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
Active Communications International (ACI) is a conference planning and production company in the communication and marketing sector, based in Chicago, Illinois, with offices reported in London, Pune and other locations. ACI has operated since 1999 and is described as producing and running business conferences across industries such as healthcare, energy, maritime, and LNG. Its services focus on event organization, forum facilitation, and industry networking. It was listed as a ransomware victim associated with quantum.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.