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high severity August 04, 2023 · 3 min read Unverified claim — what this is

SBS Construction Listed by alphv Ransomware Group

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

SBS Construction was listed on Alphv's leak site. Alphv claims to have stolen internal data. This is the group's claim, not a confirmed finding.

SBS Construction Listed by alphv Ransomware Group

SBS Construction of Boerne, Texas, appeared on the Alphv ransomware group’s leak site on August 04, 2023. The listing states that the company, which has operated since 1995 and maintains a regional office in Baton Rouge, Louisiana, suffered a ransomware attack in which internal files were exfiltrated. The disclosure does not specify the number of people affected or list exact data types beyond claiming that internal files were taken.

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Details in the Alphv Listing

The primary disclosure on the Alphv leak site indicates that SBS Construction was hit by a ransomware operation and that attackers successfully exfiltrated internal files. No victim count, no breakdown of stolen document categories, and no ransom demand figure appear in the posting. The listing simply presents the company name, a unique incident identifier, and samples that purport to show the stolen material. Public reporting on Alphv consistently describes this style of posting as the second stage of their double-extortion tactic: first encrypting systems, then threatening to publish sensitive data unless payment is made.

Why This Matters for You and Your Family

When a regional construction firm like SBS Construction loses control of internal files, the exposure can reach far beyond the company. Contracts, vendor lists, employee records, and project documents often contain names, addresses, Social Security numbers, banking details, and correspondence that identify real people. If any of those records relate to work done for your home, your employer, or your children’s school, your information may now sit in an attacker’s archive. August 04, 2023 marks the public confirmation that another midsize business in the building trades has joined the growing list of ransomware victims, and every such breach increases the cumulative risk that your personal data will surface in future sales or leaks.

The Doxxing and Identity-Chain Risk

Construction-company records frequently link business identities to household addresses, owner names, employee contact lists, and even children listed as dependents on insurance or background-check forms. Once attackers possess those links, they can chain them with usernames, emails, and phone numbers found in other breaches. The result is a detailed profile that fuels account takeovers, spear-phishing, and eventual doxxing. Credential leaks of this kind also cascade into gaming accounts belonging to you or your children; a reused password taken from a work-related file can hand over an Xbox, Roblox, or Discord profile in minutes, exposing chat logs, friend lists, and location data that further enrich the attacker’s identity map.

Alphv’s Public Track Record

Public reporting attributes the Alphv group, also known as BlackCat, with emerging in late 2021. The gang has since claimed responsibility for attacks on hundreds of organizations across healthcare, manufacturing, education, and professional services. Their typical playbook begins with initial access gained through compromised remote-desktop credentials or phishing, followed by rapid lateral movement, data exfiltration, and deployment of custom ransomware. They then launch a double-extortion campaign: demanding payment to decrypt files and a second payment to prevent publication. The Alphv leak site serves as both a shaming platform and a marketplace for unsold data, a pattern that has remained consistent since the group first appeared.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup of Warden to scrub what you can.
  • Rotate any password you ever used at SBS Construction or related vendors, and switch on 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 address or reused credentials.
  • Let remediation specialists handle takedown requests across data brokers and extortion sites on your behalf.

The steady drumbeat of ransomware listings shows that no business sector is immune and that your information can be swept up in an attack you never knew touched you. One short forward-looking step is to treat every new breach as a prompt to lock down the connections that attackers exploit. DoxxScan by GalaxyWarden delivers 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. Starting that process now limits the damage from today’s leak and the ones that will inevitably follow.

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 August 04, 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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