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A large bank in Asia

atomsilo

This record tracks a ransomware attack claimed by the atomsilo group against A large bank in Asia. 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.

188days open
t1 · Published t2 · Pending
Feb 24, 2026Not disclosed yet
Country
Business Category
Finance / Legal / Insurance
Employees
51-100
Discovered
2026-02-24
Published
February 24, 2026
Disclosed / Notified
Not disclosed yet
Victim ID
ah15HXWFxy0o

Attack Summary

[AI generated] A large bank in Asia refers to a financial institution that provides diversified services like deposits, loans, wealth management to individual and corporate clients. Being large-scale, they generally operate across several countries in the Asia region, often having a significant market share. This also involves operating digital banking services, given the widespread internet usage. Their influence in the finance sector can affect regional economic stability.

Leak Screenshots

SAMPLE

Proof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.

file_tree.png
finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Findings for bank.com — indexed by HaveIBeenRansom.
1,219,086
found in Infostealer logs
1,300+
found in Traditional breaches
31+
found in Ransomware leaks
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum 🪾 · breach
••• emails
AntiPublic_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
OnlinerSpambot_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
2844Breaches_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
LKnet reserve chat · breach
••• emails
TheUnderground - Reborn · breach
••• emails
B F R e p o V 3 F i l e s · breach
••• emails
+ 17 more leak sources locked
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Visit Website Original Post View Group: atomsilo

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