Anders CPAs + Advisors
leakeddataThis record tracks a ransomware attack claimed by the leakeddata group against Anders CPAs + Advisors. 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
Anders CPAs + Advisors is a U.S.-based accounting and advisory firm headquartered in St. Louis, Missouri, that provides audit, tax, and consulting services to businesses and individuals. The firm specializes in delivering tailored financial strategies, helping clients manage compliance, improve performance, and achieve long-term growth through industry-specific expertise, particularly in the legal and professional sectors. Anders offers advisory, audit and assurance, and tax services to businesses large and small, enabling clients to focus on their core operations. The organization was listed as a ransomware victim associated with leakeddata.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.