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high severity October 27, 2023 · 3 min read Unverified claim — what this is

tilden-coil.com Listed by lockbit3 Ransomware Group

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

Tilden-Coil Constructors, Inc. is a general contractor and construction manager focusing on high quality educational, institutional, commercial and industrial facilities throughout Southern California for over 80 years.

— 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.
tilden-coil.com Listed by lockbit3 Ransomware Group

On October 27, 2023, construction company Tilden-Coil Constructors, Inc. appeared on the LockBit 3.0 ransomware leak site. The listing states that internal files were exfiltrated during a ransomware attack on the Southern California general contractor, which has built educational, institutional, commercial, and industrial facilities for more than 80 years. The disclosure does not quantify how many individuals may be affected nor specify the exact records taken.

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Details from the Leak Site

The LockBit 3.0 panel entry states that Tilden-Coil Constructors data was stolen and is now published after the company apparently declined to pay. The listing does not detail what was taken beyond describing the material as internal files. No sample documents or full data dump appears in the initial posting, which is common for LockBit when negotiations are still theoretically open. The incident was first indexed publicly through the ransomware.live mirror of the onion site at the provided LockBit URL.

October 27, 2023 marks the public confirmation of the breach on the group’s leak portal. The notification does not list specific data types such as client contracts, employee records, or financial spreadsheets, leaving the full scope unknown to outsiders at this time.

Why This Matters for You and Your Family

When a regional contractor like Tilden-Coil suffers a ransomware breach, the exposed internal files often contain information that touches ordinary people. Subcontractor lists, vendor contacts, employee payroll details, insurance forms, and project bids frequently include names, addresses, Social Security numbers, dates of birth, and banking information. Even if you never worked directly for the company, your data may appear if you live in a building they constructed, supplied materials to one of their projects, or were listed on an insurance certificate.

Once that information leaves the company’s control, it can be sold quietly on underground forums or used to launch targeted fraud against you and your family. The breach therefore creates concrete financial and identity risk for anyone whose records ended up in those exfiltrated files.

Doxxing and Identity-Chain Risks

Stolen internal files rarely exist in isolation. A single spreadsheet containing an email address or phone number can be cross-referenced with data from earlier breaches, public records, and social-media profiles. This creates an identity chain that links your work history, home address, family members, and online handles. Attackers then use these chains to impersonate you, file fraudulent tax returns, open accounts in your name, or harass your household.

Credential leaks like this one frequently cascade into account takeovers on personal email, banking, and especially gaming platforms. Children’s gaming accounts tied to a parent’s breached email become easy secondary targets for doxxing, swatting, or extortion. The longer the data circulates, the more complete the picture criminals can build.

LockBit 3.0 Track Record

Public reporting attributes the LockBit 3.0 variant to a ransomware operation that first emerged in 2019 under the original LockBit name and rebranded through successive iterations. The group is known for high-volume attacks on organizations of all sizes, including previous victims in healthcare, manufacturing, and local government. Their typical playbook involves initial access through compromised remote desktop credentials or phishing, followed by rapid exfiltration of sensitive files before encryption. After encryption they wait a short period and then publish samples or full datasets on their leak site if the ransom is not paid, applying pressure through both data exposure and threats of further leaks.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup of exposed records.
  • Rotate any password you used at tilden-coil.com or related vendor portals anywhere it has been reused, and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same breached address or email.
  • Let remediation specialists handle ongoing takedown requests for any personal information appearing on data-broker or extortion sites.

The Tilden-Coil Constructors breach illustrates how quickly contractor records can become ammunition for identity thieves and ransomware operators. Acting promptly on the exposure can limit how far that information travels. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that includes children’s gaming accounts vulnerable to credential-based attacks.

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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tilden-coil.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 October 27, 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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