Skip to main content
Darkfield

Ransomware victim disclosure

← All victims

Delon Hampton & Associates, Chartered

Claimed by Quantum · listed 4 years ago

48m
Age
since listed · data leaked

Status timeline

  1. ListedJul 19, 2022
  2. Data leakeddate unknown

At a glance

Group
Quantum
Status
Data leaked
Country
United States
Sector
Engineering
Listed on leak site
Jul 19, 2022

About the victim

AI dossier — public-source company profile

Delon Hampton & Associates, Chartered is a Washington, D.C.-based engineering consulting firm founded in January 1973 with the objective of building a world-class engineering consultancy. The firm specializes in civil and structural engineering services and is notable as one of the pioneering minority-owned engineering practices in the United States. It serves public and private sector clients across infrastructure, transportation, and facilities projects.

Industry
Engineering Consulting
Employees
51-200
Founded
1973

Attack summary

Severity: high — Data has been confirmed published by the threat actor, indicating successful exfiltration of business and potentially sensitive client/employee data from a professional engineering consulting firm with government and infrastructure sector clients.

The Quantum ransomware group claims to have compromised Delon Hampton & Associates, Chartered and has published data, suggesting exfiltration of company data occurred. The status 'data_published' indicates stolen data has been released or is being offered publicly.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • Internal company documents
  • Engineering project files
  • Employee records
  • Client data

What the group claims

In January 1973, Delon Hampton and Associates, Chartered was founded with the sole objective of creating a world-class engineering consulting firm specializing

Source

Indexed 4 years 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 Quantum

Quantum is a ransomware group that emerged in September 2021, operating with primarily financial motivations and demonstrating a focus on high-value targets across English-speaking nations. The group's geographic targeting patterns and operational characteristics suggest possible connections to established ransomware ecosystems, though specific attribution or confirmed affiliations with other threat actors remain undocumented in public reporting. Quantum operators typically employ double extortion tactics, combining data encryption with the threat of public data exposure to maximize pressure on victims, and their campaigns have consistently targeted sectors with critical operational dependencies including business services, manufacturing, and information technology infrastructure. The group has maintained a relatively low public profile compared to other major ransomware operations, with their 68 documented victims representing a more selective approach to target acquisition rather than broad-scale campaigns. Despite limited public law enforcement reporting specifically focused on Quantum operations, the group's continued activity pattern suggests they remain an active threat as of recent observations, though comprehensive operational details remain scarce in publicly available threat intelligence reporting. The group has been linked to 68 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post December 9, 2022. The operation is currently inactive.

Also tracked as: QuantumLocker, Mount Locker, DagonLocker.

Timeline of this disclosure

  • July 19, 2022Delon Hampton & Associates, Chartered listed by Quantumon the group's public leak site

Other recent disclosures by Quantum

Quantum has been linked to 68 public victims on Darkfield. A sample of the most recent:

See the full Quantum dossier →

Sector and geography

This disclosure adds to ransomware activity in the Engineering sector, which has 7 disclosures indexed across all operators we track. Geographically, Delon Hampton & Associates, Chartered is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Quantum means Delon Hampton & Associates, Chartered 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 Quantum'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.