Semple & Cooper
interlockThis record tracks a ransomware attack claimed by the interlock group against Semple & Cooper. 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
Semple, Marchal & Cooper, LLP is a leading regional Certified Public Accounting firm based in the Southwest, offering a range of professional services including accounting, auditing, tax planning, compliance, and management consulting. The firm is dedicated to serving various sectors such as technology, healthcare, retail, and non-profits, emphasizing innovation and personalized solutions for each client.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.