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Carlysle Human Capital

listed as carlysle.net · Claimed by Payload · listed 4 months ago

3m
Age
since listed · data leaked

Status timeline

  1. ListedMar 26, 2026
  2. Data leakeddate unknown

At a glance

Group
Payload
Status
Data leaked
Country
United States
Listed on leak site
Mar 26, 2026

About the victim

AI dossier — public-source company profile

Carlysle Human Capital, operating under the domain carlysle.net, is a United States-based human capital management and HR consulting firm. The company provides workforce solutions, talent management, and related human resources services. No additional detail about scale or headquarters address could be confirmed from available sources.

Industry
Human Capital Management & HR Consulting

Attack summary

Severity: high — Data has been confirmed published (data_published status) by the threat actor. A human capital/HR firm would likely hold sensitive PII including employee records, payroll data, and client workforce information, representing significant regulated data exposure.

The ransomware group 'payload' claims to have attacked carlysle.net and has published data, indicating exfiltration of company data with disclosed status of data_published. No specific ransom amount or data size was stated in the post.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • HR and employee records
  • Client workforce data
  • Internal business documents

What the group claims

Carlysle.net belongs to Carlysle Engineering, Inc., an engineering firm based in Boston. The company specializes in designing, installing, and maintaining fire protection systems such as sprinklers. They also provide building inspections and consulting services to ensure compliance with safety and insurance requirements.

The leak post

captured from the group's site
[ Inteceng.com.my (+ Tsksynergy.com.my + Amemanufacturing.com.my + Woodnova.com.my)  
```
These websites represent a synergistic group of Malaysian companies, such as AME Elite and TSK Synergy, specializing in integrated industrial construction and engineering solutions. They provide end-to-end services, including the design and fabrication of steel structures, mechanical engineering, and the development of large-scale industrial parks. Together, they leverage their combined expertise to deliver "turnkey" manufacturing facilities and infrastructure projects across the region.
```
](http://payloadrz5yw227brtbvdqpnlhq3rdcdekdnn3rgucbcdeawq2v6vuyd.onion/posts/61827d93-eb95-42af-b264-9b84aeecefb7) [ 
```
Gorey Community School is a co-educational, multi-denominational institution located in Gorey, Co. Wexford, under the joint patronage of the Loreto Sisters and Waterford and Wexford ETB
```
](http://payloadrz5yw227brtbvdqpnlhq3rdcdekdnn3rgucbcdeawq2v6vuyd.onion/posts/c9049f7c-de08-4099-a2f7-d8ae8e421682) [ PROM (Peakside Ros Outlet Management)  
```
PROM (Peakside Ros Outlet Management) is a joint venture established by the investment firm Peakside Capital and the operator Ros Retail t…

Screenshot of the leak post

Leak screenshot for carlysle.net

Sources

Source

Indexed 4 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.

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Disclosure context

About payload

Based on the limited publicly available information, Payload is an emerging ransomware group first observed in February 2026 with a primarily financial motivation, having targeted 19 documented victims across multiple countries and sectors. The group's origin and affiliations remain unclear, with no documented evidence of their operational structure, country of origin, or whether they operate as a Ransomware-as-a-Service model or independent entity. Their attack methodology, encryption techniques, and specific tools used have not been publicly documented by major cybersecurity firms or law enforcement agencies. The group has demonstrated a diverse targeting approach, focusing primarily on victims in the Philippines, United States, United Kingdom, Mexico, and Dominican Republic, with particular emphasis on manufacturing, agriculture and food production, transportation/logistics, and telecommunication sectors, though the specific campaigns and ransom demands remain undisclosed in public threat intelligence reports. Given the group's recent emergence and limited public documentation, Payload appears to be currently active but remains a relatively obscure threat actor with insufficient publicly available data to establish comprehensive intelligence assessments from major cybersecurity organizations or law enforcement agencies. The group has been linked to 69 public disclosures across our corpus. First observed on a leak site on February 17, 2026; most recent post July 10, 2026. The operation is currently active.

Timeline of this disclosure

  • March 26, 2026carlysle.net listed by payloadon the group's public leak site

Other recent disclosures by payload

payload has been linked to 69 public victims on Darkfield. A sample of the most recent:

See the full payload dossier →

Sector and geography

Geographically, carlysle.net is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by payload means carlysle.net 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 payload'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.