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 26, 2025Sherman, Silverstein, Kohl, Rose & Podolsky, P.A. listed by cephaluson the group's public leak site

Data size: 5 GB

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, Sherman, Silverstein, Kohl, Rose & Podolsky, P.A. 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

Sherman, Silverstein, Kohl, Rose & Podolsky, P.A.

Claimed by cephalus · listed 9 months ago

5 GB

Data size

Age

since listed · data leaked

Status timeline

Listed
Aug 26, 2025
Data leaked

At a glance

Group: cephalus
Status: Data leaked
Country: United States
Sector: Not Found
Listed on leak site: Aug 26, 2025
Data size: 5 GB

About the victim

AI dossier — public-source company profile

Sherman, Silverstein, Kohl, Rose & Podolsky, P.A. is a multi-practice law firm located in Moorestown, New Jersey. The firm provides legal services across a broad range of practice areas including bankruptcy, family law, estate planning, personal injury, healthcare and insurance law, tax planning, and commercial real estate. It serves clients in the Cherry Hill and broader South Jersey region.

Industry: Legal Services – Multi-Practice Law Firm
Address: Moorestown, NJ, United States

Attack summary

Severity: critical — A law firm handling family law, healthcare, estate planning, bankruptcy, and personal injury matters almost certainly holds large volumes of regulated PII, privileged client communications, medical records, and financial data. The 5 GB archive has been confirmed published, meaning sensitive client data is actively exposed at scale.

The Cephalus ransomware group claims to have exfiltrated approximately 5 GB of data from the firm and has published it as a ZIP archive on their leak site. No ransom amount was stated, and the disclosure status indicates the data has been fully published.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Client legal files
Case documents
Personally identifiable information (PII)
Financial records
Healthcare and insurance-related legal documents
Family law case materials
Estate planning documents

What the group claims

SSKRPLAW DATA LEAK | (5GB+ ZIP)

Sources

Victim sitesskrplaw.com
Leak posthttps://darkforums.st/Thread-Document-SSKRPLAW-DATA-LEAK-5GB-ZIP

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.