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high severity September 20, 2023 · 3 min read Unverified claim — what this is

Chait Listed by medusa Ransomware Group

If you are a customer of Chait, here’s what is being claimed, and what it would mean for you.

Chait & Company is a Los Angeles—based firm offering a wide range of architectural design, general contracting and construction management services, recognized in 1994. The company's main office is located at 14931 a Celica St Ste A, Van Nuys, California, 91411, United States

— from Medusa’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
Chait Listed by medusa Ransomware Group

On September 20, 2023, Chait & Company appeared on the leak site operated by the Medusa ransomware group. The Los Angeles-based architectural design, general contracting, and construction management firm, founded in 1994, had its internal files exfiltrated during a ransomware attack. The listing does not specify how many individuals or records are affected, nor does it detail the exact volume or sensitivity of the stolen data.

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Details from the Medusa Listing

The primary disclosure on the Medusa leak site states that Chait & Company suffered a ransomware attack in which internal files were exfiltrated. The entry, first observed on September 20, 2023, includes the company’s address at 14931 Celica St Ste A, Van Nuys, California. No sample data is publicly shown in the listing itself, and the notification does not quantify affected records or name the specific systems compromised. Public tracking via ransomware.live states the actor’s claim that exfiltration occurred prior to any encryption or public posting of demands.

Why This Matters for You and Your Family

When a company like Chait & Company that handles building projects, client contracts, and vendor relationships is breached, the information exposed can easily include personal details of customers, employees, subcontractors, and their families. Internal files exfiltrated often contain names, addresses, phone numbers, email accounts, Social Security numbers, banking information for payments, or contracts that list family members as co-signers or references. Even if you never directly hired the firm, your data may appear in supplier lists, employee directories, or project records shared with partners. This creates a direct privacy risk for ordinary people whose information travels through construction, design, and contracting networks.

The Doxxing and Identity-Chain Implications

Stolen internal files frequently serve as the starting point for doxxing chains. An attacker who obtains one email address or phone number from these records can cross-reference it with other breaches to link gaming usernames, social-media handles, children’s school accounts, and home addresses. Credential leaks of this nature routinely cascade into account takeovers, especially for gaming platforms where kids use the same passwords or recovery emails as their parents’ work-related accounts. Once the chain is built, extortionists can target families with personalized threats using details that feel intimate and hard to dispute.

Medusa’s Known Track Record

Public reporting attributes the emergence of the Medusa ransomware group to mid-2021. The actors have since targeted organizations across multiple sectors, including manufacturing, healthcare, education, and professional services. Their typical playbook involves initial access through compromised credentials or vulnerable remote desktop services, followed by exfiltration of sensitive files before deploying ransomware. Medusa then uses dual-extortion tactics: threatening to publish the stolen data on their leak site while simultaneously demanding payment to prevent encryption or further exposure. The group maintains an active onion site to pressure victims publicly when negotiations stall.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Rotate any password you used at Chait & Company or related vendors anywhere it has been reused, and switch to 2FA through an authenticator app instead of text messages.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same address or recovery details.
  • Let remediation specialists manage takedown requests for any exposed personal documents or contact information appearing on data-broker sites.

The breach of Chait & Company demonstrates how quickly construction-industry records can expose ordinary families to long-term identity risks. Acting promptly on monitoring and credential hygiene limits the damage before attackers stitch together the next link in the chain. DoxxScan by GalaxyWarden provides continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed September 20, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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