Was The Cecilian Bank hit by ransomware?

The Cecilian Bank was listed by the Storm ransomware operation (United States), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the Storm ransomware group?

Storm is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the The Cecilian Bank breach?

Storm published data attributed to The Cecilian Bank. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

← All victims

The Cecilian Bank

Claimed by Storm · listed 17 hours ago

Today

Age

since listed · data leaked

Status timeline

ListedAug 23, 2026
Data leakeddate unknown

At a glance

Group: Storm
Status: Data leaked
Country: United States
Sector: Financial Services
Listed on leak site: Aug 23, 2026

About the victim

AI dossier — public-source company profile

The Cecilian Bank is an FDIC-insured financial institution offering personal and business banking services including checking and savings accounts, loans, and online banking to individuals, small businesses, and large corporations.

Industry: Financial Services – Banking
Address: 104 East Main Street, Cecilia, KY 42724, United States
Employees: 201-500

Attack summary

Severity: low — Post is a listing/announcement with no proof files, no confirmed data exfiltration, and no operational impact stated. The leak post contains only boilerplate company description with no attack details.

The leak post provides no details on what data was allegedly exfiltrated, encrypted, or compromised, nor does it specify the nature or scope of the claimed attack.

low

What the group claims

The Cecilian Bank is an FDIC-insured financial institution that offers a wide range of personal and business banking services, including checking and savings accounts, loans, and online banking. Their services cater to individuals, small businesses, and large corporations, providing competitive rates and tailored financial solutions. The bank emphasizes convenience with features like online account opening and 24/7 access to banking services. With a commitment to community support, The Cecilian Bank aims to help clients achieve financial independence and business growth. The company headquarters is located in 104 East Main Street, Cecilia, KY 42724, United States.. 201-500 Employees

Sources

Source

Indexed 17 hours ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

Is this your supplier? Your competitor? You?

Pro plans monitor your domain, corporate emails, and crypto wallets across every new ransomware leak-site post, breach dump and Telegram callout — alerts within 5 minutes.

Disclosure context

About Storm

Storm is a ransomware group first observed in August 2026, operating with an apparent financial motivation based on its targeting profile, though limited public documentation exists given its recent emergence and relatively small victim footprint. The group has claimed or been attributed to attacks against at least six known victims, with the United States representing its primary target geography. Storm has demonstrated a preference for targeting the healthcare and manufacturing sectors, alongside a broader category of other industries, suggesting an opportunistic rather than highly specialized targeting philosophy. Due to the group's recent emergence and limited victim count, comprehensive technical details regarding its initial access vectors, encryption methodology, tooling, or affiliation with known threat actor ecosystems have not yet been formally documented by CISA, the FBI, Mandiant, or other major threat intelligence publishers as of the time of this writing. No confirmed RaaS infrastructure, dark web leak site activity, or law enforcement actions against the group have been publicly attributed or reported in open sources. Given its nascent operational timeline beginning in 2026, Storm should be monitored as an emerging threat, particularly within the healthcare sector where ransomware attacks carry significant operational and patient safety implications, but analysts should treat any further characterization beyond the known victim and targeting data with caution pending additional corroborating intelligence. The group has been linked to 33 public disclosures across our corpus. First observed on a leak site on August 7, 2026; most recent post August 23, 2026. The operation is currently active.

Timeline of this disclosure

August 23, 2026The Cecilian Bank listed by Stormon the group's public leak site

Other recent disclosures by Storm

Storm has been linked to 33 public victims on Darkfield. A sample of the most recent:

See the full Storm dossier →

Sector and geography

This disclosure adds to ransomware activity in the Financial Services sector, which has 1,195 disclosures indexed across all operators we track. Geographically, The Cecilian Bank is reported in United States, a country with 3,164 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Storm means The Cecilian Bank appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CISA (United States), as required for your jurisdiction.
Monitor for the data appearing on Storm's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.