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high severity November 06, 2023 · 3 min read Unverified claim — what this is

concretevalue.com Listed by lockbit3 Ransomware Group

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

CVC Concrete Value Corp is one of the nations largest concrete subcontractors successfully completing over 100,000 jobs serving Northern, Southern and Central California and Nevada. We are currently celebrating our 20th year together as a company....

— from LockBit’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.
concretevalue.com Listed by lockbit3 Ransomware Group

On November 6, 2023, CVC Concrete Value Corp, a major concrete subcontractor operating across California and Nevada, appeared on the LockBit 3.0 ransomware leak site. The listing states that internal files were exfiltrated during a ransomware attack. The company, which has completed more than 100,000 jobs over its 20-year history, has not publicly quantified how many individuals or partners may be affected.

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Primary Disclosure Details

The LockBit 3.0 leak site listing states that internal files were exfiltrated from CVC Concrete Value Corp. It does not specify the volume or exact types of data stolen, nor does it list any ransom amount or payment deadline. The disclosure consists primarily of a notice that the victim’s data may now be published and available for download by anyone who visits the onion site. Public mirrors such as ransomware.live preserve this original posting, which remains the sole primary source of information about the incident.

Why This Matters for You and Your Family

When a construction subcontractor like CVC Concrete Value Corp suffers a breach, the ripple effects reach far beyond the company. If you or anyone in your household has worked with them as an employee, vendor, client, or job-site partner, your personal information may sit inside those stolen internal files. Names, addresses, Social Security numbers, banking details for payments, and contact records are common in subcontractor records. Once exposed, this data can be sold quietly on underground forums or used immediately for identity theft, tax fraud, or targeted phishing against you and your family.

Doxxing and Identity-Chain Risks

Stolen internal files frequently contain spreadsheets that link employee names to home addresses, phone numbers, email accounts, and sometimes even driver’s license copies. These records become the foundation of doxxing chains. An attacker who obtains your details from this claimed breach can cross-reference them with your social-media handles, children’s school records, or gaming usernames. The result is a complete profile that enables account takeovers, swatting, or relentless harassment. Credential leaks of this nature often cascade into gaming accounts belonging to you or your children because the same email or password may be reused across work, personal, and entertainment services.

LockBit 3.0 Track Record

Public reporting attributes the LockBit 3.0 group with emerging in early 2022 as the successor to earlier LockBit variants. The gang has targeted hospitals, manufacturers, financial firms, and construction companies alike. Their typical playbook begins with initial access through compromised remote desktop credentials or phishing, followed by rapid exfiltration of sensitive files before encryption. They then publish a sample of the data on their leak site and pressure the victim with threats of full disclosure or sale to third parties. The group’s leak site has hosted hundreds of victims, making LockBit 3.0 one of the most active ransomware operations still operating as of late 2023.

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 have used at CVC Concrete Value Corp or related vendor portals and replace it with a unique passphrase while enabling 2FA through an authenticator app.
  • Cover the household with DoxxScan family coverage that extends to dependents and children’s gaming accounts that often chain back to the same address or parent email.
  • Let remediation specialists manage takedown requests for any exposed personal records appearing on data-broker or underground sites.

The concrete takeaway is that subcontractor breaches like this one quietly expose the personal lives of thousands of ordinary workers and partners. Protecting yourself requires more than changing a password. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Starting that process promptly can limit the damage before criminals stitch your data into larger attack campaigns.

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.

Check your exposure
concretevalue.com is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed November 06, 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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