Disclosure context

About cephalus

Based on available public information, Cephalus is a recently emerged ransomware group first observed in August 2025, operating with apparent financial motivations targeting organizations primarily across the United States, United Kingdom, Netherlands, and Ireland. The group has claimed 19 victims since emergence, with no publicly documented country of origin or confirmed affiliations to established ransomware families or RaaS operations by major security researchers or government agencies. Their attack methodology and specific technical capabilities remain largely undocumented in public threat intelligence reporting, though their targeting pattern shows focus on healthcare, business services, financial services, and manufacturing sectors alongside organizations of undetermined industry classification. No major high-profile campaigns, record ransom demands, or law enforcement disruption actions have been publicly reported by CISA, FBI, or established security research firms at this time. The group appears to remain active as of current reporting, though the limited public documentation suggests either highly targeted operations or insufficient analysis coverage by major threat intelligence organizations. The group has been linked to 19 public disclosures across our corpus. First observed on a leak site on August 26, 2025; most recent post August 29, 2025. The operation is currently inactive.

Timeline of this disclosure

August 28, 2025wilderlawfirm listed by cephaluson the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Not Found sector, which has 4,859 disclosures indexed across all operators we track. Geographically, wilderlawfirm is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

← All victims

Wilder Law Firm

listed as wilderlawfirm · Claimed by cephalus · listed 9 months ago

Age

since listed · data leaked

Status timeline

Listed
Aug 28, 2025
Data leaked

At a glance

Group: cephalus
Status: Data leaked
Country: United States
Sector: Not Found
Listed on leak site: Aug 28, 2025

About the victim

AI dossier — public-source company profile

Wilder Law Firm is a United States-based legal practice operating under the domain wilderlawfirm.com. As a law firm, it likely handles client legal matters that may include sensitive personal, financial, and case-related information. No further details about its size, location, or practice areas are available from the current sources.

Industry: Legal Services

Attack summary

Severity: high — Law firms routinely hold highly sensitive client data including PII, privileged communications, financial records, and case files. Even without confirmed proof published yet, the 'data_published' status and targeting of a legal practice warrants a high severity rating due to the nature of data likely held.

The ransomware group Cephalus has listed Wilder Law Firm as a victim with a 'coming soon' disclosure status marked as data_published, suggesting exfiltration or publication of firm data is imminent or in progress. No specific data types or volumes have been described in the leak post.

high

Data the group says was taken

AI dossier — extracted from the leak post

Potentially client legal records
Potentially personally identifiable information (PII)
Potentially financial documents
Potentially privileged attorney-client communications

What the group claims

coming soon

Sources

Victim sitewilderlawfirm.com

Source

Indexed 9 months 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.