ATMCo
trigonaThis record tracks a ransomware attack claimed by the trigona group against ATMCo. 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
ATMCo is a reputable tax management company based in Broken Arrow, Oklahoma. With a commitment to simplifying tax-related processes for businesses and individuals, ATMCo offers comprehensive services in tax preparation, bookkeeping, and accounting. Company is headquartered at 2220 W Houston St Ste A, Broken Arrow, Oklahoma. Situated in a convenient location, the company is easily accessible to clients seeking professional tax management services.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.