Disclosure context

About SilentRansomGroup

Based on the limited available information, SilentRansomGroup is a relatively new ransomware operation that first emerged in May 2025, appearing to be financially motivated given their targeting patterns across multiple high-value sectors. The group's origin and affiliations remain unclear due to their recent emergence, though their diverse geographic targeting including the United States, Germany, Canada, and Russia suggests either a sophisticated operation or potential ransomware-as-a-service model. Their attack methodology and specific technical capabilities have not been extensively documented by major security researchers, though their targeting of business services, financial services, hospitality, and manufacturing sectors indicates they likely focus on organizations with both valuable data and ability to pay significant ransoms. With 93 known victims across multiple countries and sectors in a relatively short timeframe since May 2025, SilentRansomGroup has demonstrated notable activity levels, though specific high-profile campaigns or ransom amounts have not been publicly disclosed by CISA, FBI, or major threat intelligence firms. The group appears to remain active as of current reporting periods, though comprehensive technical analysis and attribution efforts by established security researchers are still developing given their recent emergence in the threat landscape. The group has been linked to 117 public disclosures across our corpus. First observed on a leak site on May 6, 2025; most recent post May 19, 2026. The operation is currently active.

Timeline of this disclosure

April 22, 2026Jackson Lewis listed by SilentRansomGroupon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Business Services sector, which has 2,640 disclosures indexed across all operators we track. Geographically, Jackson Lewis is reported in US, a country with 2,713 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

Jackson Lewis P.C.

listed as Jackson Lewis · Claimed by SilentRansomGroup · listed 28 days ago

28d

Age

since listed · data leaked

Status timeline

Listed
Apr 22, 2026
Data leaked

At a glance

Group: SilentRansomGroup
Status: Data leaked
Country: US
Sector: Business Services
Listed on leak site: Apr 22, 2026

About the victim

AI dossier — public-source company profile

Jackson Lewis P.C. is a U.S.-based law firm founded in 1958 and headquartered in New York, specializing exclusively in workplace law and employment-related legal services. The firm operates dozens of offices across the United States, advising employers on labor relations, workplace safety, litigation, immigration, and employee benefits. It serves clients across a broad range of industries nationwide.

Industry: Employment & Labor Law
Address: 666 Third Avenue, New York, NY 10017, United States
Employees: 1001-5000
Founded: 1958

Attack summary

Severity: critical — Jackson Lewis is a major law firm handling sensitive employer and employee legal matters including immigration, litigation, and benefits. A data publication by a ransomware group at a law firm of this scale implies exposure of privileged attorney-client communications and regulated PII (employee records, immigration files, benefits data) affecting potentially thousands of individuals and corporate clients across numerous industries.

SilentRansomGroup claims to have attacked Jackson Lewis P.C. and has published data, suggesting exfiltration of firm and client-related information; no ransom amount or data size has been disclosed.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Client legal files
Employee records
Labor relations documents
Immigration case files
Employee benefits records
Litigation documents
Internal firm communications

Original description

AI-summarised, not from the leak post

Jackson Lewis P.C. is a United States-based law firm specializing exclusively in workplace law and employment-related legal services. Founded in 1958 and headquartered in New York, the firm operates across numerous offices throughout the country. It advises employers on labor relations, workplace safety, litigation, immigration, and employee benefits, serving clients across a wide range of industries nationwide.

Source

Indexed 28 days 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.