This record tracks a ransomware attack claimed by the
qilin group against
ARTHUR CHAPMAN KETTERING SMETAK PIKALA PA. 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 GAP
Window 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.
0days open
t1 · Published
t2 · Pending
Business Category
Finance / Legal / Insurance
Indexed by Breach House
November 03, 2026
Leak Status
pending
checked 2026-11-03
Disclosed / Notified
Not disclosed yet
Attack Summary
arthurchapman.com operates within the Finance, Legal, and Insurance sectors and is headquartered in the United States. The entity functions within its sector as a commercial organization subject to cybersecurity scrutiny and threat-intelligence indexing. It has been formally cataloged as a ransomware victim associated with the threat actor qilin. This listing reflects the entity's inclusion in a threat-intelligence index documenting ransomware incidents across critical business sectors. No specific breach details, data claims, or confirmed incident specifics are provided in this description to maintain factual neutrality and avoid speculation regarding the event.
Leak Screenshots
1 CAPTURED
Captured directly from the operator's leak site by our collector, last checked 2026-11-03. Verdict evidence: [M1] Time till publication: 50h: 37m
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Dark Web Exposure
Findings for arthurchapman.com
— indexed by HaveIBeenRansom.
1
found in Infostealer logs
2,063+
found in Traditional breaches
132+
found in Ransomware leaks
limeleads_breach.7z
TheUnderground - Reborn · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum · breach
••• emails
Email Panther @dbworldcloud.7z
DBs w MTDT · breach
••• emails
94M_US_evite_com_Managing_Online_Invitations_UsersDB_csv_2013.zip
DBs Backup · breach
••• emails
Database World ROC · breach
••• emails
B F R e p o V 3 F i l e s · breach
••• emails
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